/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --gold: #C8A96E;
      --gold-dark: #B8955A;
      --amber: #B76E2E;
      --dark-rock: #2C2C2C;
      --warm-white: #FAF7F2;
      --soft-gray: #F5F0E8;
      --text-primary: #3D3D3D;
      --text-secondary: #6B6B6B;
      --border-light: rgba(44,44,44,0.08);
      --shadow-card: 0 4px 16px rgba(44,44,44,0.04);
      --shadow-hover: 0 14px 32px rgba(200,169,110,0.12);
      --radius-card: 16px;
      --radius-button: 50px;
      --transition-smooth: all 0.25s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background-color: var(--warm-white);
      color: var(--text-primary);
      line-height: 1.7;
      margin: 0;
      -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: -0.01em;
    }
    h1 {
      font-size: clamp(2.5rem, 5vw, 4.2rem);
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.02em;
      color: var(--dark-rock);
    }
    h2 {
      font-size: clamp(2rem, 4vw, 2.6rem);
      font-weight: 600;
      position: relative;
      display: inline-block;
      margin-bottom: 1.25rem;
    }
    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 48px;
      height: 4px;
      background: var(--gold);
      border-radius: 2px;
    }
    .text-gold {
      color: var(--gold);
    }
    .bg-gold {
      background-color: var(--gold);
    }
    .border-gold {
      border-color: var(--gold);
    }
    .btn-primary {
      background: var(--gold);
      color: white;
      border-radius: var(--radius-button);
      padding: 14px 36px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition-smooth);
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(200,169,110,0.3);
    }
    .btn-primary:hover {
      background: var(--gold-dark);
      transform: scale(1.03);
      box-shadow: 0 10px 22px rgba(200,169,110,0.45);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--gold);
      color: var(--gold);
      border-radius: var(--radius-button);
      padding: 12px 32px;
      font-weight: 600;
      transition: var(--transition-smooth);
    }
    .btn-outline:hover {
      background: rgba(200,169,110,0.08);
      border-color: var(--gold-dark);
      color: var(--gold-dark);
    }
    .btn-amber {
      background: var(--amber);
      color: white;
      border-radius: var(--radius-button);
      padding: 12px 28px;
      font-weight: 600;
      transition: var(--transition-smooth);
      box-shadow: 0 4px 12px rgba(183,110,46,0.3);
      white-space: nowrap;
    }
    .btn-amber:hover {
      background: #9b5a24;
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(183,110,46,0.4);
    }
    .nav-link {
      color: var(--dark-rock);
      font-weight: 500;
      transition: color 0.2s;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--gold);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--gold);
    }
    .card {
      background: white;
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition-smooth);
      border: 1px solid var(--border-light);
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .faq-item {
      border-bottom: 1px solid var(--border-light);
      padding: 18px 0;
      cursor: pointer;
    }
    .faq-question {
      font-weight: 600;
      font-size: 1.2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--dark-rock);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      color: var(--text-secondary);
      line-height: 1.8;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      margin-top: 12px;
    }
    .faq-item.active i {
      transform: rotate(180deg);
      color: var(--gold);
    }
    .stat-number {
      font-size: 3rem;
      font-weight: 700;
      color: var(--gold);
      line-height: 1.2;
    }
    @media (max-width: 768px) {
      .container {
        padding-left: 20px;
        padding-right: 20px;
      }
      .stat-number {
        font-size: 2.5rem;
      }
    }