/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');

    :root {
      --deep-space: #0A0F1E;
      --dark-purple: #1B0A3C;
      --nebula-purple: #6B3FA0;
      --aurora-green: #00E5A0;
      --starlight-gold: #FFB347;
      --card-bg: rgba(30, 30, 58, 0.65);
      --text-soft: #B0B8D0;
      --border-glow: rgba(0, 229, 160, 0.25);
      --radius-xl: 24px;
      --radius-btn: 50px;
      --shadow-glow: 0 0 20px rgba(0, 229, 160, 0.35);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      background-color: var(--deep-space);
      color: #ffffff;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* 导航卡片面板 */
    .nav-panel {
      background: rgba(10, 15, 30, 0.75);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-radius: 60px;
      border: 1px solid rgba(107, 63, 160, 0.25);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
      padding: 8px 20px;
      transition: all 0.3s ease;
    }

    .nav-icon-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: rgba(255, 255, 255, 0.05);
      color: #cdd6f0;
      transition: all 0.25s;
      font-size: 1.2rem;
      backdrop-filter: blur(4px);
    }

    .nav-icon-btn:hover {
      background: rgba(0, 229, 160, 0.2);
      color: var(--aurora-green);
      box-shadow: 0 0 14px rgba(0, 229, 160, 0.5);
      transform: translateY(-2px);
    }

    .cta-btn {
      background: linear-gradient(135deg, #00E5A0, #00B87A);
      border: none;
      color: #0A0F1E;
      font-weight: 700;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      letter-spacing: 0.5px;
      box-shadow: 0 6px 16px rgba(0, 229, 160, 0.4);
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .cta-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 15px 30px rgba(0, 229, 160, 0.6);
      filter: brightness(1.1);
    }

    .outline-btn {
      background: transparent;
      border: 1.5px solid var(--aurora-green);
      color: var(--aurora-green);
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      transition: 0.3s;
      backdrop-filter: blur(6px);
    }

    .outline-btn:hover {
      background: rgba(0, 229, 160, 0.1);
      box-shadow: var(--shadow-glow);
      transform: translateY(-2px);
    }

    /* 卡片设计语言 */
    .service-card {
      background: var(--card-bg);
      backdrop-filter: blur(10px);
      border-radius: var(--radius-xl);
      border: 1px solid rgba(107, 63, 160, 0.35);
      transition: all 0.35s ease;
      overflow: hidden;
    }

    .service-card:hover {
      border-color: var(--aurora-green);
      box-shadow: 0 0 28px rgba(0, 229, 160, 0.4);
      transform: translateY(-10px);
    }

    .badge-tag {
      background: rgba(0, 229, 160, 0.12);
      color: var(--aurora-green);
      border-radius: 30px;
      padding: 4px 14px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.3px;
      border: 0.5px solid rgba(0, 229, 160, 0.4);
    }

    .glow-text {
      background: linear-gradient(to right, #E0F2FE, #00E5A0);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 18px rgba(0, 229, 160, 0.5);
    }

    /* FAQ 手风琴 */
    .faq-item {
      background: rgba(20, 20, 40, 0.7);
      backdrop-filter: blur(8px);
      border-radius: 20px;
      border: 1px solid rgba(107, 63, 160, 0.3);
      margin-bottom: 16px;
      transition: 0.25s;
    }

    .faq-question {
      cursor: pointer;
      padding: 20px 24px;
      font-weight: 600;
      font-size: 1.1rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #f0f4ff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      color: #B0B8D0;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 180px;
      padding: 0 24px 20px;
      border-left: 4px solid var(--aurora-green);
      margin-left: 16px;
    }

    .faq-item.active {
      border-color: var(--aurora-green);
      box-shadow: 0 0 20px rgba(0,229,160,0.2);
    }

    /* 星空粒子背景 */
    .stars-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(ellipse at 30% 40%, #1B0A3C 0%, #0A0F1E 80%);
      overflow: hidden;
      z-index: 0;
    }

    .star {
      position: absolute;
      background: white;
      border-radius: 50%;
      opacity: 0.7;
      animation: twinkle 4s infinite alternate;
    }

    @keyframes twinkle {
      0% { opacity: 0.3; transform: scale(0.8); }
      100% { opacity: 1; transform: scale(1.2); }
    }

    @media (max-width: 768px) {
      .nav-panel {
        border-radius: 40px;
        padding: 8px 16px;
      }
      .nav-icon-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
      }
      .cta-btn, .outline-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
      }
      h1 {
        font-size: 2.5rem !important;
      }
    }