/* roulang page: index */
@import url('/assets/css/vendor/0b67347532-css2.css');
    
    :root {
      --red-limit: #E6332A;
      --dark-void: #0B0C10;
      --deep-gray: #1A1A1A;
      --white-electric: #F5F5F7;
      --neon-cyan: #00F5A0;
      --card-shadow: 0 15px 35px -10px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
      --card-hover-shadow: 0 25px 40px -12px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.06);
      --border-radius-lg: 20px;
      --border-radius-md: 14px;
      --border-radius-sm: 10px;
      --transition-smooth: all 0.25s cubic-bezier(0.2, 0.0, 0, 1.0);
    }
    
    * {
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      margin: 0;
      font-family: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
      background-color: #ffffff;
      color: #1e1e24;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    
    /* custom gradient aggressive */
    .gradient-hero {
      background: radial-gradient(circle at 30% 40%, rgba(0,245,160,0.18) 0%, rgba(230,51,42,0.32) 90%), linear-gradient(125deg, #1a1a1a 0%, #0B0C10 100%);
    }
    
    .gradient-cta-banner {
      background: linear-gradient(98deg, #0B0C10 0%, #2d1c1b 100%);
    }
    
    .text-gradient-brand {
      background: linear-gradient(135deg, #E6332A 0%, #ff7b2b 70%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    
    .badge-neon {
      background: rgba(0, 245, 160, 0.12);
      color: #00d88c;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 40px;
      font-size: 0.85rem;
      letter-spacing: 0.3px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      backdrop-filter: blur(4px);
      border: 1px solid rgba(0,245,160,0.25);
    }
    
    .badge-red-hint {
      background: rgba(230, 51, 42, 0.08);
      color: #d02c25;
      font-weight: 700;
      padding: 0.35rem 1rem;
      border-radius: 30px;
      font-size: 0.8rem;
    }
    
    .feature-card {
      background: #ffffff;
      border-radius: var(--border-radius-md);
      padding: 2rem 1.8rem;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
      border: 1px solid rgba(0,0,0,0.02);
      display: flex;
      flex-direction: column;
    }
    
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(0,245,160,0.15);
    }
    
    .asymmetric-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    
    .asymmetric-grid .tall-card {
      grid-row: span 2;
    }
    
    .price-card {
      background: #ffffff;
      border-radius: 26px;
      padding: 2.4rem 1.8rem;
      border: 1px solid rgba(0,0,0,0.06);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    
    .price-card.highlight {
      border-top: 5px solid var(--red-limit);
      box-shadow: 0 30px 45px -15px rgba(230,51,42,0.12);
    }
    
    .hamburger-line {
      transition: all 0.3s ease;
      transform-origin: center;
    }
    
    .nav-mobile-menu {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(8, 10, 16, 0.96);
      backdrop-filter: blur(14px);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      transform: translateY(-110%);
      transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
      z-index: 99;
    }
    
    .nav-mobile-menu.open {
      transform: translateY(0);
    }
    
    @media (max-width: 768px) {
      .asymmetric-grid {
        grid-template-columns: 1fr;
      }
      .asymmetric-grid .tall-card {
        grid-row: auto;
      }
      h1 {
        font-size: 2.8rem !important;
      }
    }
    
    /* Accordion */
    .faq-item {
      border-bottom: 1px solid #e9ecef;
      transition: all 0.2s;
    }
    .faq-question {
      cursor: pointer;
      padding: 1.4rem 0;
      display: flex;
      align-items: center;
      gap: 16px;
      font-weight: 600;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.45s ease-in-out;
      background: #f9fafb;
      border-radius: 16px;
      margin-bottom: 16px;
    }
    .faq-item.active .faq-answer {
      max-height: 220px;
      padding: 1.2rem 1.5rem;
      margin-top: 6px;
    }
    .icon-number {
      width: 34px;
      height: 34px;
      background: var(--red-limit);
      color: white;
      font-weight: 700;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
    }