/* =========================================================================
       SHOWCASE DISPLAY STYLESHEET
       Theme: Sweet Kawaii, Macaron Pastel & Pop Art Travel Luggage Tags (3D Soft PVC)
       Base Background: #f1f4ff (Strictly Enforced)
       Design Standard:
       - No Logo, No Company Name, No Brand Attribution
       - No <a> links, No <button> interactive elements (Pure Showcase Display)
       - All 7 Attached Images Embedded at 100% Uncropped Native Aspect Ratio
       - Responsive Desktop (Multi-Column Grid) & Mobile (Fluid Single-Column)
       - 7-Item Native HTML5 Interactive FAQ Accordion (<details>/<summary>)
       ========================================================================= */

    * {
      box-sizing: border-box;
      -webkit-font-smoothing: antialiased;
    }

    body {
      margin: 0;
      padding: 30px 16px;
      background-color: #f1f4ff;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: #1e293b;
      line-height: 1.6;
    }

    .showcase-container {
      max-width: 1040px;
      margin: 0 auto;
      background: #ffffff;
      border-radius: 24px;
      padding: 36px 30px;
      box-shadow: 0 10px 35px rgba(236, 72, 153, 0.07);
      border: 1px solid #fbcfe8;
    }

    /* 1. Hero Header Banner (Sweet Macaron & Kawaii Aesthetic) */
    .hero-banner {
      background: linear-gradient(135deg, #fdf2f8 0%, #f5f3ff 50%, #fff7ed 100%);
      border: 1px solid #fbcfe8;
      border-radius: 20px;
      padding: 38px 24px;
      text-align: center;
      margin-bottom: 36px;
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.06);
    }

    .hero-pill {
      display: inline-block;
      background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
      color: #ffffff;
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 5px 16px;
      border-radius: 9999px;
      margin-bottom: 14px;
      box-shadow: 0 2px 8px rgba(236, 72, 153, 0.25);
    }

    .hero-title {
      font-size: 26px;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.3;
      margin: 0 0 12px 0;
      letter-spacing: -0.4px;
    }

    .hero-subtitle {
      font-size: 17px;
      font-weight: 700;
      color: #db2777;
      display: block;
      margin-top: 4px;
    }

    .hero-desc {
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
      max-width: 860px;
      margin: 0 auto 20px auto;
    }

    .badge-bar {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .badge-item {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 9999px;
      padding: 5px 12px;
      font-size: 12px;
      font-weight: 700;
      color: #334155;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    }

    /* 2. Section Headers */
    .section-title {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
      margin: 0;
      border-left: 5px solid #ec4899;
      padding-left: 12px;
      letter-spacing: -0.2px;
    }

    .section-header-wrap {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 20px;
      border-bottom: 2px solid #f1f5f9;
      padding-bottom: 12px;
    }

    .section-subtitle {
      font-size: 13.5px;
      color: #64748b;
      margin: 4px 0 0 17px;
    }

    .section-tag {
      font-size: 11.5px;
      font-weight: 700;
      color: #db2777;
      background: #fdf2f8;
      padding: 4px 10px;
      border-radius: 6px;
    }

    /* 3. 4-Step Process Grid */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-bottom: 36px;
    }

    .step-card {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 16px;
    }

    .step-num-title {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }

    .step-num {
      background: #ec4899;
      color: #ffffff;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      flex-shrink: 0;
    }

    .step-title {
      font-weight: 800;
      font-size: 13.5px;
      color: #0f172a;
    }

    .step-text {
      font-size: 12.5px;
      color: #64748b;
      line-height: 1.5;
    }

    /* 4. 7-Card Real Sample Gallery Grid */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .gallery-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .gallery-card-wide {
      grid-column: span 3;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      align-items: center;
    }

    .gallery-img-wrap {
      background: #f8fafc;
      text-align: center;
      border-bottom: 1px solid #f1f5f9;
      position: relative;
    }

    .gallery-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .gallery-card-body {
      padding: 16px;
    }

    .card-title-wrap {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }

    .card-title {
      font-size: 15px;
      font-weight: 800;
      color: #0f172a;
      margin: 0;
    }

    .card-badge {
      font-size: 10.5px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .badge-pink { background: #fdf2f8; color: #db2777; }
    .badge-purple { background: #f3e8ff; color: #7e22ce; }
    .badge-teal { background: #ccfbf1; color: #0f766e; }
    .badge-amber { background: #fef3c7; color: #b45309; }
    .badge-indigo { background: #e0e7ff; color: #4338ca; }
    .badge-blue { background: #e0f2fe; color: #0284c7; }

    .card-desc {
      font-size: 12.5px;
      color: #475569;
      line-height: 1.55;
      margin: 0 0 10px 0;
    }

    .card-specs {
      font-size: 11.5px;
      color: #64748b;
      background: #f8fafc;
      padding: 6px 10px;
      border-radius: 6px;
    }

    /* 5. Specs Matrix Table */
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      margin-bottom: 40px;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      overflow: hidden;
      font-size: 13px;
    }

    .specs-table tr:nth-child(even) {
      background: #f8fafc;
    }

    .specs-table th {
      background: #f1f5f9;
      color: #334155;
      font-weight: 800;
      padding: 12px 16px;
      text-align: left;
      border-bottom: 2px solid #e2e8f0;
      width: 25%;
    }

    .specs-table td {
      padding: 12px 16px;
      color: #475569;
      border-bottom: 1px solid #f1f5f9;
    }

    /* 6. FAQ Accordion (7 Items) */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 36px;
    }

    .faq-item {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      overflow: hidden;
      padding: 0;
    }

    .faq-summary {
      padding: 16px 18px;
      font-size: 14.5px;
      font-weight: 800;
      color: #0f172a;
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-summary::-webkit-details-marker {
      display: none;
    }

    .faq-toggle-icon {
      font-size: 16px;
      font-weight: 800;
      color: #ec4899;
    }

    .faq-content {
      padding: 0 18px 16px 18px;
      font-size: 13.5px;
      color: #475569;
      line-height: 1.65;
      border-top: 1px solid #f1f5f9;
      margin-top: 2px;
      padding-top: 12px;
    }

    /* 7. Pure Showcase Footer (No Links, No Buttons) */
    .showcase-footer {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 22px 16px;
      text-align: center;
      color: #64748b;
      font-size: 12.5px;
    }

    /* Responsive Breakpoints */
    @media (max-width: 900px) {
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-card-wide {
        grid-column: span 2;
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 600px) {
      .showcase-container { padding: 18px 12px; }
      .hero-title { font-size: 20px; }
      .hero-subtitle { font-size: 15px; }
      .steps-grid { grid-template-columns: 1fr; }
      .gallery-grid { grid-template-columns: 1fr; }
      .gallery-card-wide { grid-column: span 1; grid-template-columns: 1fr; }
      .specs-table th { width: 35%; padding: 10px 12px; }
      .specs-table td { padding: 10px 12px; font-size: 12px; }
      .faq-summary { font-size: 13.5px; padding: 14px 14px; }
      .faq-content { font-size: 12.5px; padding: 0 14px 14px 14px; }
    }