/* roulang page: index */
:root {
      --primary-brown: #4A3324;
      --primary-coffee: #5C3A21;
      --accent-gold: #B8863C;
      --accent-gold-hover: #9C6F32;
      --bg-cream: #FDFBF7;
      --bg-light-taupe: #E8D5C4;
      --text-charcoal: #2D2D2D;
      --text-gray: #5A5A5A;
      --text-light: #F5F0EB;
      --success-green: #2E5C3E;
      --alert-red: #8B3A3A;
      --border-light: rgba(0,0,0,0.05);
      --shadow-sm: 0 4px 12px rgba(0,0,0,0.03);
      --shadow-md: 0 8px 24px rgba(0,0,0,0.05);
      --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      background-color: var(--bg-cream);
      color: var(--text-charcoal);
      line-height: 1.6;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    @media (min-width: 1024px) {
      .container-custom {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    .gold-line {
      height: 2px;
      width: 60px;
      background-color: var(--accent-gold);
      margin-top: 0.5rem;
      margin-bottom: 1.5rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--primary-brown);
      letter-spacing: -0.5px;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 50%;
      height: 2px;
      background: var(--accent-gold);
    }
    .text-accent-gold {
      color: var(--accent-gold);
    }
    .bg-primary-brown {
      background-color: var(--primary-brown);
    }
    .bg-accent-gold {
      background-color: var(--accent-gold);
    }
    .btn-primary {
      background-color: var(--accent-gold);
      color: white;
      border-radius: 9999px;
      padding: 0.7rem 2rem;
      font-weight: 600;
      transition: all 0.3s ease;
      display: inline-block;
      text-align: center;
      box-shadow: 0 4px 10px rgba(184, 134, 60, 0.25);
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background-color: var(--accent-gold-hover);
      box-shadow: 0 8px 18px rgba(184, 134, 60, 0.35);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary-coffee);
      color: var(--primary-coffee);
      border-radius: 9999px;
      padding: 0.7rem 2rem;
      font-weight: 600;
      transition: all 0.3s ease;
      display: inline-block;
      text-align: center;
    }
    .btn-outline:hover {
      background-color: rgba(74, 51, 36, 0.08);
      border-color: var(--accent-gold);
      color: var(--accent-gold);
      transform: translateY(-1px);
    }
    .card-hover {
      transition: all 0.3s ease;
      background: white;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .card-hover:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-6px);
    }
    .faq-item {
      border-bottom: 1px solid rgba(0,0,0,0.06);
      transition: background 0.2s;
    }
    .faq-item[open] summary {
      background-color: #f9f7f4;
    }
    .faq-summary {
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 1.25rem 0.8rem;
      cursor: pointer;
      font-weight: 600;
      font-size: 1.1rem;
      color: var(--primary-brown);
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-answer {
      padding: 0 0.8rem 1.25rem;
      color: var(--text-gray);
      line-height: 1.7;
      font-size: 0.95rem;
    }
    .mobile-menu {
      display: none;
    }
    @media (max-width: 767px) {
      .desktop-nav {
        display: none;
      }
      .mobile-menu {
        display: block;
      }
      .section-title {
        font-size: 1.8rem;
      }
    }