/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary-blue: #5BA4B5;
      --primary-blue-light: #E8F4F8;
      --accent-coral: #FF7F6B;
      --accent-coral-dark: #E86B5A;
      --bg-page: #FAFCFD;
      --bg-card: #FFFFFF;
      --bg-footer: #1A2B34;
      --text-main: #1E2B3C;
      --text-secondary: #6B7B8D;
      --text-light: #A3B5C2;
      --border-light: #E9EDF2;
      --shadow-sm: 0 4px 20px rgba(0,0,0,0.04);
      --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
      --radius-card: 16px;
      --radius-button: 50px;
      --max-content: 1200px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Inter", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a, button {
      transition: all 0.3s ease;
    }
    .container-custom {
      max-width: var(--max-content);
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      background-color: rgba(255,255,255,0.85);
    }
    .pill-tab {
      padding: 0.5rem 1.25rem;
      border-radius: 40px;
      font-weight: 500;
      font-size: 0.95rem;
      transition: all 0.25s;
    }
    .pill-active {
      background-color: var(--primary-blue-light);
      color: var(--primary-blue);
      font-weight: 600;
    }
    .btn-primary {
      background-color: var(--accent-coral);
      color: white;
      border-radius: var(--radius-button);
      padding: 0.8rem 2.2rem;
      font-weight: 600;
      border: none;
      cursor: pointer;
      display: inline-block;
      text-align: center;
      box-shadow: 0 8px 18px rgba(255,127,107,0.25);
    }
    .btn-primary:hover {
      background-color: var(--accent-coral-dark);
      transform: translateY(-2px);
      box-shadow: 0 14px 26px rgba(255,127,107,0.35);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--primary-blue);
      color: var(--primary-blue);
      border-radius: var(--radius-button);
      padding: 0.8rem 2.2rem;
      font-weight: 600;
      display: inline-block;
      text-align: center;
    }
    .btn-outline:hover {
      background-color: rgba(91,164,181,0.08);
      border-color: #3d8b9b;
      color: #3d8b9b;
      transform: translateY(-2px);
    }
    .card-hover {
      transition: all 0.3s ease;
      background: var(--bg-card);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
    }
    .card-hover:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .masonry-grid {
      column-count: 2;
      column-gap: 1.8rem;
      gap: 1.8rem;
    }
    @media (min-width: 1024px) {
      .masonry-grid {
        column-count: 3;
      }
    }
    .masonry-item {
      break-inside: avoid;
      margin-bottom: 1.8rem;
      display: inline-block;
      width: 100%;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
    }
    .img-zoom {
      transition: transform 0.4s ease;
    }
    .card-hover:hover .img-zoom {
      transform: scale(1.03);
    }
    .comparison-glow {
      box-shadow: 0 0 0 2px rgba(91,164,181,0.2), 0 12px 28px rgba(91,164,181,0.15);
    }
    @media (max-width: 768px) {
      .masonry-grid {
        column-count: 1;
      }
      h1 {
        font-size: 2.3rem !important;
      }
    }