/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #0B1F1A;
      --primary-light: #143026;
      --accent: #C9A96E;
      --accent-hover: #D4A843;
      --bg: #F7F5F2;
      --bg-card: #FAF8F4;
      --text: #3A3A3A;
      --text-muted: #6B6B6B;
      --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Times New Roman', serif;
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.06);
      --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
      --radius: 10px;
      --radius-sm: 6px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: var(--font-serif);
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3 {
      font-family: var(--font-serif);
      margin: 0;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航栏 */
    .nav-primary {
      background-color: var(--primary);
      color: var(--accent);
      padding: 12px 0;
      transition: background 0.3s ease;
    }
    .nav-channel {
      background-color: var(--primary-light);
      border-top: 1px solid rgba(201,169,110,0.2);
    }
    .nav-channel a {
      color: rgba(255,255,255,0.8);
      font-size: 14px;
      letter-spacing: 0.08em;
      padding: 8px 4px;
      margin: 0 16px;
      border-bottom: 2px solid transparent;
      transition: 0.2s;
    }
    .nav-channel a:hover, .nav-channel a.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }
    .mobile-menu {
      background: var(--primary);
    }
    /* 按钮 */
    .btn-primary {
      background: var(--accent);
      color: var(--primary);
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-block;
      box-shadow: var(--shadow-sm);
    }
    .btn-primary:hover {
      transform: scale(1.03);
      background: var(--accent-hover);
      box-shadow: var(--shadow-md);
    }
    .btn-outline {
      border: 1.5px solid var(--accent);
      color: var(--accent);
      font-weight: 600;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      display: inline-block;
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--accent);
      color: var(--primary);
      transform: scale(1.03);
    }
    .card {
      background: var(--bg-card);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      border: 1px solid rgba(0,0,0,0.04);
      transition: all 0.3s ease;
    }
    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.125rem;
      margin-bottom: 48px;
    }
    .accent-text {
      color: var(--accent);
    }
    .faq-item {
      background: var(--bg-card);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      border: 1px solid rgba(0,0,0,0.04);
    }
    .faq-question {
      background: #FAF8F4;
      padding: 20px 24px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-answer {
      background: white;
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      border-top: 1px solid transparent;
    }
    .faq-answer.open {
      max-height: 200px;
      padding: 20px 24px;
      border-top: 1px solid var(--accent);
    }
    footer {
      background: var(--primary);
      color: rgba(201,169,110,0.9);
      padding: 60px 0 30px;
    }
    footer a {
      color: rgba(201,169,110,0.8);
      transition: color 0.2s;
    }
    footer a:hover {
      color: var(--accent);
    }
    .animate-fade-in {
      animation: fadeInUp 0.8s ease forwards;
    }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(30px); }
      to { opacity: 1; transform: translateY(0); }
    }
    @media (max-width: 768px) {
      .section-title {
        font-size: 2rem;
      }
      .nav-channel {
        display: none;
      }
    }