/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --main: #0B0B0B;
      --accent: #D4AF37;
      --soft-bg: #FAFAFA;
      --card: #FFFFFF;
      --text-main: #1A1A1A;
      --text-muted: #5C5C5C;
      --border-light: #E5E5E5;
      --success: #1F7A4C;
      --error: #B23B3B;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--soft-bg);
      color: var(--text-main);
      margin: 0;
      line-height: 1.625;
      -webkit-font-smoothing: antialiased;
    }
    a, button, input {
      outline: none;
    }
    a:focus-visible, button:focus-visible, input:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      border-radius: 4px;
    }
    .section-padding {
      padding-top: 6rem;
      padding-bottom: 6rem;
    }
    @media (max-width: 768px) {
      .section-padding {
        padding-top: 4rem;
        padding-bottom: 4rem;
      }
    }
    .text-balance {
      text-wrap: balance;
    }
    /* 导航细线 */
    .nav-border {
      border-bottom: 1px solid var(--border-light);
    }
    /* 动画 */
    @keyframes fadeUp {
      0% { opacity: 0; transform: translateY(20px); }
      100% { opacity: 1; transform: translateY(0); }
    }
    .animate-fade-up {
      animation: fadeUp 0.8s ease forwards;
    }
    .animate-fade-up-delay {
      animation: fadeUp 0.8s 0.2s ease forwards;
      opacity: 0;
    }
    /* 手风琴图标旋转 */
    .faq-icon {
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.4s ease;
      border-left: 2px solid transparent;
    }
    .faq-item.active .faq-content {
      max-height: 300px;
      border-left-color: var(--accent);
      padding-left: 1rem;
    }
    /* 卡片hover */
    .card-hover {
      transition: border-color 0.3s, box-shadow 0.3s;
    }
    .card-hover:hover {
      border-color: var(--accent);
      box-shadow: 0 10px 25px -3px rgba(0,0,0,0.08);
    }
    /* 导航下划线 */
    .nav-link {
      position: relative;
      transition: color 0.3s;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: width 0.3s;
    }
    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }
    .nav-link.active {
      color: var(--accent);
    }
    /* 移动菜单 */
    .mobile-menu {
      transition: transform 0.3s ease;
      transform: translateX(100%);
    }
    .mobile-menu.open {
      transform: translateX(0);
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
      }
    }