/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --deep-purple: #1A0A2E;
      --electric-cyan: #00F0FF;
      --lava-orange: #FF4D2E;
      --bg-light: #F8F9FC;
      --card-white: #FFFFFF;
      --text-gray: #5A6070;
      --border-light: #E2E6ED;
      --shadow-sm: 0 4px 24px rgba(0,0,0,0.06);
      --shadow-glow: 0 12px 40px rgba(0,240,255,0.12);
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --transition: all 0.3s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      margin: 0;
      background-color: #fff;
      color: #1A0A2E;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    button, input {
      font-family: inherit;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    /* 导航栏 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      background: rgba(26, 10, 46, 0.85);
      backdrop-filter: blur(20px);
      transition: background 0.3s ease, height 0.3s ease;
      height: 72px;
      display: flex;
      align-items: center;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .navbar.scrolled {
      background: rgba(26, 10, 46, 0.96);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 22px;
      background: linear-gradient(135deg, #00F0FF, #A855F7);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      background: radial-gradient(circle, #00F0FF 10%, #1A0A2E 80%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 18px;
      box-shadow: 0 0 12px #00F0FF;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      align-items: center;
    }
    .nav-links a {
      color: #B0B8C8;
      font-size: 15px;
      font-weight: 500;
      transition: color 0.2s;
      position: relative;
      padding-bottom: 4px;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: #00F0FF;
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: #00F0FF;
    }
    .cta-btn-nav {
      background: #FF4D2E;
      color: white;
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: 0.2s;
      border: none;
      cursor: pointer;
    }
    .cta-btn-nav:hover {
      background: #D93A1E;
      transform: scale(1.02);
    }
    .pulse-dot {
      width: 10px;
      height: 10px;
      background: #10B981;
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 28px;
    }
    /* 移动端导航 */
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .navbar {
        height: 64px;
      }
      .mobile-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(26, 10, 46, 0.98);
        backdrop-filter: blur(25px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        z-index: 40;
      }
      .mobile-menu.open {
        display: flex;
      }
      .mobile-menu a {
        color: #E2E6ED;
        font-size: 18px;
        font-weight: 500;
      }
    }
    /* 粒子背景 */
    .hero-particles {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      overflow: hidden;
      pointer-events: none;
    }
    .particle {
      position: absolute;
      background: rgba(255,255,255,0.15);
      border-radius: 50%;
      animation: float 8s infinite;
    }
    @keyframes float {
      0% { transform: translateY(0) scale(1); opacity: 0.2; }
      50% { opacity: 0.6; }
      100% { transform: translateY(-100vh) scale(0.5); opacity: 0; }
    }
    .glow-border:hover {
      border-color: #00F0FF;
      box-shadow: 0 0 25px rgba(0,240,255,0.4);
    }