/* roulang page: index */
:root {
      --primary-navy: #0B132B;
      --secondary-navy: #1C2541;
      --dark-obsidian: #070B16;
      --gold-gradient: linear-gradient(135deg, #C9A063 0%, #E5C38C 50%, #B88B4A 100%);
      --gold-solid: #C9A063;
      --gold-light: #FBF4E8;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-soft: rgba(201, 160, 99, 0.25);
    }

    body {
      color: var(--text-main);
      background-color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }

    .gold-gradient-bg {
      background: var(--gold-gradient);
    }

    .gold-gradient-text {
      background: var(--gold-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .glass-card {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border-soft);
      box-shadow: 0 20px 40px -15px rgba(11, 19, 43, 0.07);
    }

    .glass-nav {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(229, 195, 140, 0.35);
      box-shadow: 0 10px 30px rgba(11, 19, 43, 0.08);
    }

    .gold-shadow {
      box-shadow: 0 12px 28px -6px rgba(201, 160, 99, 0.4);
    }

    .card-hover-effect {
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .card-hover-effect:hover {
      transform: translateY(-5px);
      box-shadow: 0 25px 50px -12px rgba(11, 19, 43, 0.12);
      border-color: rgba(201, 160, 99, 0.5);
    }