/* roulang page: index */
:root {
      --color-primary: #FF5500;
      --color-accent: #00C076;
      --color-bg: #FFFFFF;
      --color-bg-alt: #F8FAFC;
      --color-dark: #0F172A;
      --color-text: #334155;
      --color-title: #0F172A;
      --radius-box: 1rem;
      --shadow-soft: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 12px 28px -4px rgba(255, 85, 0, 0.15);
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
      color: var(--color-text);
      background-color: #FFFFFF;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    .custom-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-box);
      box-shadow: var(--shadow-soft);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #FFD2BD;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.7) 100%);
    }
    .cta-gradient {
      background: linear-gradient(135deg, #FF5500 0%, #FF7733 100%);
    }
    .font-num {
      font-family: 'DIN Alternate', 'Trebuchet MS', sans-serif;
    }
    .badge-chip {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      font-size: 0.8125rem;
      font-weight: 600;
      border-radius: 9999px;
    }