/* roulang page: index */
:root {
      --primary: #B8860B;
      --primary-dark: #9A6F1C;
      --primary-light: rgba(184, 134, 11, 0.1);
      --accent: #7B2D3B;
      --accent-hover: #5E1F2A;
      --dark: #1E1E1E;
      --text: #3A3A3A;
      --text-light: #6B6B6B;
      --bg: #F9F6F0;
      --card-bg: #FDFBF7;
      --border-light: rgba(184, 134, 11, 0.2);
      --shadow-sm: 0 4px 12px rgba(0,0,0,0.04);
      --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
      --shadow-lg: 0 16px 32px rgba(0,0,0,0.08);
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-input: 12px;
      --font-serif: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
      --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    .serif {
      font-family: var(--font-serif);
    }

    .container-main {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    @media (max-width: 768px) {
      .container-main {
        padding: 0 16px;
      }
    }

    /* 卡片化导航面板 */
    .nav-panel {
      background: var(--card-bg);
      border: 1px solid var(--border-light);
      border-radius: 20px;
      box-shadow: var(--shadow-sm);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 28px;
      margin-top: 16px;
      position: sticky;
      top: 16px;
      z-index: 50;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-logo-icon {
      font-size: 28px;
      color: var(--primary);
    }

    .nav-logo-text {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--dark);
      letter-spacing: 1px;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 10px 16px;
      border-radius: 12px;
      color: var(--text);
      font-weight: 500;
      transition: all 0.2s ease;
      background: transparent;
      text-decoration: none;
      font-size: 0.95rem;
    }

    .nav-item i {
      font-size: 1.1rem;
      color: var(--primary);
    }

    .nav-item:hover {
      background: var(--primary-light);
      color: var(--primary-dark);
    }

    .nav-cta {
      background: var(--primary);
      color: white;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all 0.25s;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
      box-shadow: 0 4px 10px rgba(184, 134, 11, 0.2);
    }

    .nav-cta:hover {
      background: var(--primary-dark);
      box-shadow: 0 8px 18px rgba(184, 134, 11, 0.3);
      transform: translateY(-1px);
    }

    /* 移动端导航调整为底部固定卡片菜单 */
    @media (max-width: 768px) {
      .nav-panel {
        position: fixed;
        bottom: 12px;
        left: 12px;
        right: 12px;
        top: auto;
        border-radius: 24px;
        padding: 8px 16px;
        justify-content: space-around;
        background: rgba(253, 251, 247, 0.92);
        backdrop-filter: blur(12px);
        box-shadow: 0 8px 28px rgba(0,0,0,0.12);
        z-index: 100;
      }
      .nav-logo {
        display: none;
      }
      .nav-links {
        gap: 4px;
      }
      .nav-item {
        padding: 8px 10px;
        font-size: 0.75rem;
        flex-direction: column;
        gap: 2px;
      }
      .nav-item i {
        font-size: 1.2rem;
      }
      .nav-cta {
        padding: 8px 14px;
        font-size: 0.8rem;
      }
    }

    /* 按钮系统 */
    .btn-primary {
      background: var(--primary);
      color: white;
      border: none;
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all 0.25s;
      box-shadow: 0 6px 16px rgba(184, 134, 11, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(184, 134, 11, 0.3);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary);
      color: var(--primary);
      padding: 14px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      transition: all 0.25s;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-outline:hover {
      background: var(--primary-light);
      border-color: var(--primary-dark);
      color: var(--primary-dark);
    }

    /* 卡片通用样式 */
    .card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      border: 1px solid rgba(0,0,0,0.03);
    }
    .card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    /* 输入框 */
    .input-field {
      width: 100%;
      padding: 14px 18px;
      background: white;
      border: 1px solid #E0D6C5;
      border-radius: var(--radius-input);
      font-size: 1rem;
      transition: 0.2s;
    }
    .input-field:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15);
    }

    /* FAQ手风琴 */
    .faq-item {
      border-bottom: 1px solid #E8DFD0;
    }
    .faq-question {
      cursor: pointer;
      padding: 20px 0;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--dark);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      color: #5A5A5A;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 20px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-icon {
      transition: transform 0.3s;
      color: var(--primary);
    }

    /* 背景装饰 */
    .hero-bg {
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .overlay-gold {
      background: linear-gradient(90deg, rgba(249,246,240,0.92) 0%, rgba(249,246,240,0.7) 100%);
    }