/* roulang page: index */
:root {
      --primary: #059669;
      --primary-hover: #047857;
      --secondary: #2563eb;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --radius-base: 14px;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --shadow-hover: 0 20px 30px -10px rgba(5, 150, 105, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.04);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.7;
    }
    .custom-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      box-shadow: var(--shadow-card);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .custom-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #a7f3d0;
    }
    .hero-bg {
      background-image: linear-gradient(to right, rgba(15, 23, 42, 0.88), rgba(6, 95, 70, 0.8)), url('/assets/images/cc229aa2b4673d69.webp');
      background-size: cover;
      background-position: center;
    }
    .dark-glow-bg {
      background-color: #0b1120;
      background-image: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    }
    .banner-cta-bg {
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(4, 120, 87, 0.9)), url('/assets/images/52be4a45303d85d7.webp');
      background-size: cover;
      background-position: center;
    }