/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #C8963E;
      --primary-dark: #B07D2E;
      --secondary: #1E2F4A;
      --bg: #FAF8F5;
      --white: #FFFFFF;
      --text: #2E3A4A;
      --text-light: #5A6B7A;
      --border: #E5E0D9;
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-full: 50px;
      --transition: 0.3s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      transition: background 0.3s ease, box-shadow 0.3s ease;
      background: transparent;
      padding: 16px 0;
    }
    .navbar.scrolled {
      background: rgba(255,255,255,0.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.04);
      padding: 12px 0;
    }
    .nav-links a {
      color: white;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.2s;
      margin-left: 32px;
    }
    .navbar.scrolled .nav-links a {
      color: var(--secondary);
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .logo-text {
      font-weight: 700;
      font-size: 1.5rem;
      color: white;
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: color 0.3s;
    }
    .navbar.scrolled .logo-text {
      color: var(--secondary);
    }
    .logo-icon {
      width: 28px;
      height: 28px;
      background: linear-gradient(135deg, #C8963E, #E0B866);
      border-radius: 6px;
      display: inline-block;
      box-shadow: 0 2px 8px rgba(200,150,62,0.3);
    }
    /* 汉堡菜单 */
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
    }
    .hamburger span {
      width: 24px;
      height: 3px;
      background: var(--primary);
      border-radius: 4px;
      transition: 0.3s;
    }
    .mobile-menu {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(30,47,74,0.96);
      backdrop-filter: blur(20px);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 36px;
      transform: translateY(-100%);
      transition: transform 0.4s ease;
      z-index: 45;
    }
    .mobile-menu.active {
      transform: translateY(0);
    }
    .mobile-menu a {
      color: white;
      font-size: 1.8rem;
      font-weight: 500;
      text-decoration: none;
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 0.3s, transform 0.3s;
    }
    .mobile-menu.active a {
      opacity: 1;
      transform: translateY(0);
      transition-delay: 0.1s;
    }
    /* 按钮 */
    .btn-primary {
      background: linear-gradient(135deg, #B07D2E, #C8963E);
      color: white;
      border: none;
      padding: 14px 32px;
      border-radius: var(--radius-full);
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s;
      display: inline-block;
      text-decoration: none;
      box-shadow: 0 8px 18px rgba(200,150,62,0.25);
    }
    .btn-primary:hover {
      filter: brightness(1.1);
      transform: scale(1.03);
      box-shadow: 0 12px 24px rgba(200,150,62,0.35);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      padding: 14px 32px;
      border-radius: var(--radius-full);
      font-weight: 600;
      transition: 0.3s;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline:hover {
      background: rgba(200,150,62,0.08);
    }
    /* 卡片 */
    .card {
      background: white;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
      height: 100%;
    }
    .card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .badge {
      background: rgba(200,150,62,0.1);
      color: var(--primary);
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.9rem;
      display: inline-block;
    }
    /* 手风琴 */
    .faq-item {
      border-bottom: 1px solid var(--border);
      padding: 20px 0;
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      cursor: pointer;
      font-size: 1.1rem;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      color: var(--text-light);
      background: #FDFBF7;
      border-radius: 8px;
      margin-top: 0;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 16px;
      margin-top: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 60px;
      height: 4px;
      background: var(--primary);
      border-radius: 4px;
    }
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .container { padding: 0 20px; }
      .section-title { font-size: 1.6rem; }
      .card { padding: 24px; }
    }
