:root {
      --bg-tint: #f0f2ff;
      --card-bg: #ffffff;
      --card-bg-subtle: #f8fafc;
      --card-border: #e2e8f0;
      --card-border-gold: rgba(184, 134, 11, 0.35);
      --card-border-hover: #b8860b;
      --text-main: #1e293b;
      --text-heading: #0f172a;
      --text-muted: #64748b;
      --gold-primary: #b8860b;
      --gold-dark: #8c6504;
      --gold-light: #fefce8;
      --turquoise-accent: #0284c7;
      --turquoise-deep: #0369a1;
      --shadow-sm: 0 4px 14px rgba(50, 60, 110, 0.05);
      --shadow-md: 0 12px 32px rgba(50, 60, 110, 0.08);
      --shadow-lg: 0 22px 50px rgba(50, 60, 110, 0.12);
      --max-width: 1240px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background: #f0f2ff url('https://sc02.alicdn.com/kf/H1067288ca20149ccb833f46e1892b9b0Y.jpg') repeat fixed;
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 48px 24px 90px;
    }

    /* Typography */
    h1, h2, h3, h4 {
      font-family: "Georgia", "Times New Roman", serif;
      font-weight: 700;
      letter-spacing: 0.02em;
      color: var(--text-heading);
    }

    .badge-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 6px;
      background: #fefce8;
      border: 1px solid rgba(184, 134, 11, 0.35);
      color: var(--gold-dark);
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      font-weight: 700;
    }

    .badge.turquoise {
      background: #f0f9ff;
      border-color: rgba(2, 132, 199, 0.35);
      color: var(--turquoise-deep);
    }

    /* Hero Section */
    .hero-section {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 16px;
      padding: 44px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 64px;
    }

    .hero-gallery {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-main-img-wrapper {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--card-border);
      background: #f8fafc;
      box-shadow: var(--shadow-md);
    }

    .hero-main-img-wrapper img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .hero-main-img-wrapper:hover img {
      transform: scale(1.02);
    }

    .hero-thumbs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }

    .hero-thumb {
      border-radius: 8px;
      overflow: hidden;
      border: 2px solid transparent;
      background: #f8fafc;
      aspect-ratio: 1;
      cursor: pointer;
      opacity: 0.88;
      transition: all 0.25s ease;
      box-shadow: var(--shadow-sm);
    }

    .hero-thumb:hover {
      opacity: 1;
      border-color: var(--gold-primary);
      transform: translateY(-2px);
    }

    .hero-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .hero-info h1 {
      font-size: 34px;
      line-height: 1.25;
      margin-bottom: 14px;
    }

    .hero-tagline {
      font-size: 17px;
      color: var(--gold-primary);
      margin-bottom: 22px;
      font-weight: 600;
    }

    .hero-desc {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .spec-quick-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      padding: 20px;
      background: var(--card-bg-subtle);
      border-radius: 10px;
      border-left: 4px solid var(--gold-primary);
      border-top: 1px solid var(--card-border);
      border-right: 1px solid var(--card-border);
      border-bottom: 1px solid var(--card-border);
      margin-bottom: 10px;
    }

    .spec-item {
      display: flex;
      flex-direction: column;
    }

    .spec-item .label {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--text-muted);
      font-weight: 600;
    }

    .spec-item .value {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-heading);
      margin-top: 2px;
    }

    /* Section Headers */
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }

    .section-header .sub-title {
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: 0.16em;
      color: var(--gold-primary);
      font-weight: 800;
      display: block;
      margin-bottom: 8px;
    }

    .section-header h2 {
      font-size: 32px;
      margin-bottom: 16px;
    }

    .section-header p {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* 4-Pillar Overview Cards */
    .pillars-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 70px;
    }

    .pillar-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 12px;
      padding: 30px 22px;
      text-align: center;
      transition: all 0.3s ease;
      box-shadow: var(--shadow-sm);
    }

    .pillar-card:hover {
      border-color: var(--card-border-hover);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .pillar-icon {
      width: 52px;
      height: 52px;
      margin: 0 auto 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: #fefce8;
      border: 1px solid rgba(184, 134, 11, 0.4);
      color: var(--gold-dark);
      font-size: 22px;
    }

    .pillar-card h3 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .pillar-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7 Deep-Dive Breakdown Section */
    .breakdown-container {
      display: flex;
      flex-direction: column;
      gap: 40px;
      margin-bottom: 80px;
    }

    .breakdown-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 44px;
      align-items: center;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .breakdown-card:hover {
      border-color: var(--card-border-hover);
      box-shadow: var(--shadow-md);
    }

    .breakdown-card.reverse .breakdown-img {
      order: 2;
    }

    .breakdown-card.reverse .breakdown-content {
      order: 1;
    }

    .breakdown-img {
      position: relative;
      height: 100%;
      min-height: 380px;
      background: #f1f5f9;
      overflow: hidden;
    }

    .breakdown-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }

    .breakdown-card:hover .breakdown-img img {
      transform: scale(1.03);
    }

    .breakdown-content {
      padding: 38px 44px;
    }

    .breakdown-step {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--gold-dark);
      background: #fefce8;
      border: 1px solid rgba(184, 134, 11, 0.3);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .breakdown-content h3 {
      font-size: 24px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .breakdown-content p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .breakdown-specs {
      list-style: none;
      border-top: 1px dashed var(--card-border);
      padding-top: 16px;
    }

    .breakdown-specs li {
      position: relative;
      padding-left: 20px;
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .breakdown-specs li::before {
      content: "◆";
      position: absolute;
      left: 0;
      color: var(--gold-primary);
      font-size: 10px;
      top: 3px;
    }

    /* Specifications Table Section */
    .specs-section {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 16px;
      padding: 48px 44px;
      margin-bottom: 80px;
      box-shadow: var(--shadow-sm);
    }

    .specs-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 24px;
    }

    .specs-table th, .specs-table td {
      padding: 16px 20px;
      text-align: left;
      border-bottom: 1px solid #edf2f7;
      font-size: 15px;
    }

    .specs-table th {
      color: var(--text-heading);
      font-weight: 700;
      width: 28%;
      background: var(--card-bg-subtle);
    }

    .specs-table td {
      color: var(--text-main);
    }

    .specs-table tr:hover td {
      background: #f8fafc;
    }

    /* Lifestyle Lookbook Section */
    .lookbook-section {
      margin-bottom: 80px;
    }

    .lookbook-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .lookbook-item {
      position: relative;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--card-border);
      background: #ffffff;
      aspect-ratio: 1;
      box-shadow: var(--shadow-sm);
    }

    .lookbook-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .lookbook-item:hover img {
      transform: scale(1.03);
    }

    .lookbook-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 30px 24px 20px;
      background: linear-gradient(transparent, rgba(15, 23, 42, 0.88) 75%);
      color: #ffffff;
    }

    .lookbook-caption h4 {
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .lookbook-caption p {
      font-size: 14px;
      color: #e2e8f0;
    }

    /* FAQ Section */
    .faq-section {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: 16px;
      padding: 48px 44px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-sm);
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 24px;
    }

    .faq-item {
      background: var(--card-bg-subtle);
      border: 1px solid var(--card-border);
      border-radius: 10px;
      padding: 24px;
      transition: border-color 0.25s ease;
    }

    .faq-item:hover {
      border-color: var(--card-border-gold);
    }

    .faq-item h4 {
      font-size: 17px;
      color: var(--text-heading);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .faq-item h4::before {
      content: "Q:";
      color: var(--gold-primary);
      font-weight: 800;
    }

    .faq-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 24px;
    }

    /* Footer Note */
    .detail-footer {
      text-align: center;
      padding-top: 30px;
      border-top: 1px solid rgba(184, 134, 11, 0.2);
      color: var(--text-muted);
      font-size: 13px;
    }

    /* Responsive */
    @media (max-width: 900px) {
      .hero-section {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .breakdown-card, .breakdown-card.reverse {
        grid-template-columns: 1fr;
      }
      .breakdown-card.reverse .breakdown-img {
        order: 1;
      }
      .breakdown-card.reverse .breakdown-content {
        order: 2;
      }
      .breakdown-img {
        min-height: 280px;
      }
      .faq-grid {
        grid-template-columns: 1fr;
      }
      .lookbook-grid {
        grid-template-columns: 1fr;
      }
    }