/* roulang page: index */
:root {
      --primary: #0F5132;
      --primary-dark: #0A3622;
      --accent-neon: #10B981;
      --accent-orange: #FF6B00;
      --dark-surface: #0B0F19;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
      line-height: 1.65;
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(10, 54, 34, 0.94) 0%, rgba(11, 15, 25, 0.95) 100%), url('/assets/images/e5df093663136379.jpg');
      background-size: cover;
      background-position: center;
    }
    .dark-section-bg {
      background-image: radial-gradient(circle at top right, rgba(16, 185, 129, 0.15), transparent 60%), linear-gradient(180deg, #0B0F19 0%, #111827 100%);
    }
    .glass-nav {
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      background-color: rgba(255, 255, 255, 0.95);
    }
    .badge-glow {
      box-shadow: 0 0 15px rgba(16, 185, 129, 0.35);
    }
    .card-transition {
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .card-transition:hover {
      transform: translateY(-4px);
    }
    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }