/* roulang page: index */
:root {
      --primary: #0F4C3A;
      --primary-dark: #0B201A;
      --primary-light: #16644D;
      --accent: #E37038;
      --accent-hover: #CC5F28;
      --bg-neutral: #F9FAF8;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --border-color: rgba(15, 76, 58, 0.12);
    }
    
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      overflow-x: hidden;
    }

    .clip-hero-diagonal {
      clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%);
    }

    @media (max-width: 768px) {
      .clip-hero-diagonal {
        clip-path: polygon(0 0, 100% 0, 100% 93%, 0 100%);
      }
    }

    .badge-primary {
      background-color: rgba(15, 76, 58, 0.08);
      color: var(--primary);
      border: 1px solid rgba(15, 76, 58, 0.16);
    }

    .card-hover-effect {
      transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 32px -10px rgba(15, 76, 58, 0.12);
      border-color: rgba(15, 76, 58, 0.32);
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }

    .accordion-item.active .accordion-content {
      max-height: 240px;
    }

    .accordion-item.active .chevron-icon {
      transform: rotate(180deg);
    }