/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary-purple: #7C3AED;
      --primary-orange: #F97316;
      --bg-deep: #0F0F1A;
      --panel-dark: #1A1025;
      --text-cool-gray: #94A3B8;
      --accent-cyan: #22D3EE;
      --glass-bg: rgba(26,16,37,0.7);
      --glass-border: rgba(124,58,237,0.25);
      --card-shadow: 0 8px 32px rgba(124,58,237,0.15);
      --card-hover-shadow: 0 16px 48px rgba(249,115,22,0.25);
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      background-color: var(--bg-deep);
      color: #CBD5E1;
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    h1, h2, h3, h4, h5, h6 {
      font-weight: 700;
      letter-spacing: -0.02em;
    }
    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航悬浮胶囊 */
    .nav-capsule {
      position: fixed;
      top: 24px;
      left: 50%;
      transform: translateX(-50%);
      width: auto;
      max-width: 720px;
      background: rgba(15, 15, 26, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(124,58,237,0.3);
      border-radius: 60px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      z-index: 50;
      box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    }
    .nav-logo {
      font-weight: 800;
      font-size: 1.5rem;
      background: linear-gradient(135deg, #7C3AED, #F97316);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -0.5px;
    }
    .nav-menu a {
      color: #94A3B8;
      font-size: 0.875rem;
      font-weight: 500;
      margin: 0 16px;
      text-decoration: none;
      transition: color 0.2s, border-bottom 0.2s;
      padding-bottom: 4px;
      border-bottom: 2px solid transparent;
    }
    .nav-menu a:hover {
      color: #F97316;
      border-bottom-color: #F97316;
    }
    .nav-cta-mini {
      background: #F97316;
      color: white;
      border-radius: 30px;
      padding: 6px 18px;
      font-size: 0.8125rem;
      font-weight: 600;
      transition: all 0.3s ease;
      text-decoration: none;
    }
    .nav-cta-mini:hover {
      background: #7C3AED;
      box-shadow: 0 4px 14px rgba(124,58,237,0.6);
    }
    /* 移动端底部导航 */
    .mobile-bottom-nav {
      display: none;
    }
    @media (max-width: 768px) {
      .nav-capsule {
        display: none;
      }
      .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 56px;
        background: rgba(15,15,26,0.92);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(124,58,237,0.3);
        justify-content: space-around;
        align-items: center;
        z-index: 50;
        padding: 0 8px;
      }
      .mobile-bottom-nav a {
        color: #CBD5E1;
        font-size: 0.7rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-decoration: none;
        font-weight: 500;
      }
      .mobile-bottom-nav i {
        font-size: 1.2rem;
        margin-bottom: 2px;
      }
    }
    /* Hero粒子背景 */
    .hero-canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 0;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .gradient-text {
      background: linear-gradient(135deg, #7C3AED, #F97316);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-shadow: 0 0 20px rgba(124,58,237,0.5);
    }
    .btn-primary {
      background: linear-gradient(135deg, #7C3AED, #F97316);
      color: white;
      border-radius: 50px;
      padding: 14px 36px;
      font-weight: 600;
      box-shadow: 0 4px 20px rgba(124,58,237,0.5);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      border: none;
      display: inline-block;
      text-decoration: none;
    }
    .btn-primary:hover {
      background: linear-gradient(135deg, #F97316, #7C3AED);
      box-shadow: 0 8px 32px rgba(249,115,22,0.7);
      transform: scale(1.05);
    }
    .btn-outline {
      background: transparent;
      border: 2px solid #22D3EE;
      color: #22D3EE;
      border-radius: 50px;
      padding: 14px 36px;
      font-weight: 600;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }
    .btn-outline:hover {
      background: rgba(34,211,238,0.15);
      box-shadow: 0 0 20px rgba(34,211,238,0.5);
    }
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--glass-border);
      border-radius: 16px;
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
    }
    .glass-card:hover {
      box-shadow: var(--card-hover-shadow);
      border-color: rgba(249,115,22,0.4);
      transform: translateY(-4px);
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      color: white;
      margin-bottom: 1.5rem;
      padding-left: 1rem;
      border-left: 4px solid #7C3AED;
    }
    .data-number {
      font-family: 'Inter', monospace;
      font-weight: 800;
      font-size: 3rem;
      background: linear-gradient(180deg, #22D3EE, #7C3AED);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .progress-bar {
      height: 8px;
      background: #1A1025;
      border-radius: 10px;
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, #F97316, #7C3AED);
      width: 0%;
      border-radius: 10px;
      position: relative;
      animation: shimmer 2s infinite;
    }
    @keyframes shimmer {
      0% { opacity: 0.8; }
      50% { opacity: 1; box-shadow: 0 0 12px #F97316; }
      100% { opacity: 0.8; }
    }
    .faq-item {
      border-bottom: 1px solid rgba(124,58,237,0.2);
      padding: 16px 0;
      cursor: pointer;
    }
    .faq-question {
      font-weight: 600;
      font-size: 1.1rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #f1f5f9;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.4s ease;
      color: #CBD5E1;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-top: 16px;
    }
    .case-scroll {
      display: flex;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      gap: 24px;
      padding-bottom: 16px;
    }
    .case-card {
      flex: 0 0 340px;
      scroll-snap-align: start;
      background: #1A1025;
      border-radius: 20px;
      overflow: hidden;
      transition: transform 0.3s;
    }
    .case-card:hover {
      transform: translateY(-8px);
    }