/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #1A3C2E;
      --primary-dark: #0F2A1F;
      --accent: #D4A84B;
      --accent-hover: #c19a3e;
      --bg-light: #F4F7F5;
      --text-dark: #1e1e1e;
      --text-muted: #5a5a5a;
      --white: #ffffff;
      --border-light: rgba(0,0,0,0.06);
      --shadow-card: 0 4px 12px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 28px rgba(0,0,0,0.08);
      --radius-md: 12px;
      --radius-btn: 8px;
      --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--white);
      color: var(--text-dark);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    h1, h2, h3, h4 {
      font-weight: 600;
      letter-spacing: -0.02em;
    }
    .text-accent {
      color: var(--accent);
    }
    .bg-primary {
      background-color: var(--primary);
    }
    .bg-accent {
      background-color: var(--accent);
    }
    .btn-primary {
      background-color: var(--accent);
      color: white;
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: all 0.25s ease;
      display: inline-block;
      text-align: center;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(212,168,75,0.25);
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 8px 18px rgba(212,168,75,0.4);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      border-radius: var(--radius-btn);
      padding: 0.75rem 2rem;
      font-weight: 600;
      transition: all 0.25s ease;
      display: inline-block;
      text-align: center;
      cursor: pointer;
    }
    .btn-outline:hover {
      background-color: var(--primary);
      color: white;
      border-color: var(--primary);
    }
    .card {
      background: white;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }
    .card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      background-color: rgba(255,255,255,0.85);
    }
    .hero-overlay {
      background: linear-gradient(90deg, rgba(26,60,46,0.85) 0%, rgba(15,42,31,0.7) 100%);
    }
    .section-dark {
      background: linear-gradient(135deg, #1A3C2E 0%, #0F2A1F 100%);
    }
    .accent-border-left {
      border-left: 4px solid var(--accent);
    }
    .faq-accordion {
      border-bottom: 1px solid #e2e8e0;
    }
    .faq-accordion button {
      width: 100%;
      text-align: left;
      padding: 1.2rem 0;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: transparent;
      border: none;
      cursor: pointer;
      color: var(--text-dark);
      font-size: 1.1rem;
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
      color: var(--text-muted);
    }
    .faq-content.open {
      max-height: 300px;
      padding-bottom: 1.5rem;
    }
    input, textarea {
      border: 1px solid #d1d5db;
      border-radius: 8px;
      padding: 0.8rem 1rem;
      width: 100%;
      transition: border 0.2s;
      font-family: inherit;
    }
    input:focus, textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(26,60,46,0.15);
    }
    @media (max-width: 768px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      h1 {
        font-size: 2.3rem;
      }
      h2 {
        font-size: 1.8rem;
      }
      .mobile-stack {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    .mobile-menu {
      display: none;
    }
    @media (max-width: 768px) {
      .desktop-nav {
        display: none;
      }
      .mobile-menu {
        display: block;
      }
    }