/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #FF6B35;
      --primary-dark: #E55A2B;
      --secondary: #2E1A47;
      --bg-warm: #FDF8F5;
      --card-bg: #FFFFFF;
      --text-body: #4A4A4A;
      --text-light: #D1D5DB;
      --border-warm: rgba(255, 107, 53, 0.15);
      --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.02);
      --shadow-lg: 0 20px 40px -8px rgba(0,0,0,0.08);
      --radius-2xl: 1.5rem;
      --radius-full: 9999px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      background-color: var(--bg-warm);
      color: var(--text-body);
      line-height: 1.6;
      margin: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container-main {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    @media (min-width: 1024px) {
      .container-main {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    /* 导航 */
    .nav-glass {
      background: rgba(253, 248, 245, 0.8);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(46, 26, 71, 0.08);
      transition: box-shadow 0.3s ease, background 0.3s ease;
    }
    .nav-scrolled {
      box-shadow: 0 8px 24px rgba(46, 26, 71, 0.08);
      background: rgba(253, 248, 245, 0.9);
    }
    .nav-link {
      position: relative;
      font-weight: 500;
      color: var(--secondary);
      transition: color 0.2s;
      padding: 0.5rem 0;
    }
    .nav-link:hover {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 100%;
      height: 3px;
      background: var(--primary);
      border-radius: 4px 4px 0 0;
    }
    .mobile-menu {
      background: var(--secondary);
      color: white;
      transform: translateY(-100%);
      opacity: 0;
      transition: transform 0.3s ease, opacity 0.3s ease;
      pointer-events: none;
    }
    .mobile-menu.open {
      transform: translateY(0);
      opacity: 1;
      pointer-events: auto;
    }
    /* 按钮 */
    .btn-primary {
      background: var(--primary);
      color: white;
      border-radius: var(--radius-full);
      padding: 0.75rem 2.5rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s;
      border: none;
      box-shadow: 0 8px 18px rgba(255,107,53,0.3);
      letter-spacing: 0.3px;
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(255,107,53,0.4);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid var(--secondary);
      color: var(--secondary);
      border-radius: var(--radius-full);
      padding: 0.75rem 2.5rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s;
    }
    .btn-outline:hover {
      background: var(--secondary);
      color: white;
      transform: translateY(-2px);
    }
    .card {
      background: var(--card-bg);
      border-radius: var(--radius-2xl);
      padding: 2rem;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-warm);
      transition: transform 0.25s, box-shadow 0.3s;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .section-padding {
      padding-top: 5rem;
      padding-bottom: 5rem;
    }
    @media (min-width: 1024px) {
      .section-padding {
        padding-top: 7rem;
        padding-bottom: 7rem;
      }
    }
    .bg-soft-glow {
      background: radial-gradient(circle at 30% 40%, rgba(255,107,53,0.08) 0%, rgba(253,248,245,0) 70%);
    }
    .faq-item {
      border-bottom: 1px solid var(--border-warm);
      transition: background 0.2s;
    }
    .faq-question {
      cursor: pointer;
      padding: 1.2rem 0;
      font-weight: 600;
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      color: var(--text-body);
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 1.2rem;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-icon {
      color: var(--primary);
      font-size: 1.4rem;
      transition: transform 0.3s;
    }
    @media (max-width: 1023px) {
      .desktop-nav {
        display: none;
      }
      .mobile-nav-toggle {
        display: flex;
      }
    }
    @media (min-width: 1024px) {
      .mobile-nav-toggle {
        display: none;
      }
      .desktop-nav {
        display: flex;
      }
    }