/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --deep-space-start: #0B0E2D;
      --deep-space-mid: #1A1F4E;
      --deep-space-end: #2D1B69;
      --star-gold: #E8B44F;
      --star-gold-light: #F2D08C;
      --aurora-cyan: #3EE8D6;
      --card-dark-bg: #141833;
      --card-light-bg: #F8F9FC;
      --text-light: #D1D5E0;
      --text-dark: #2E3348;
      --border-light: rgba(255,255,255,0.08);
      --border-dark: rgba(0,0,0,0.06);
      --radius-xl: 1rem;
      --radius-2xl: 1.25rem;
      --radius-full: 9999px;
      --shadow-deep: 0 4px 24px rgba(0,0,0,0.25);
      --shadow-light: 0 4px 20px rgba(0,0,0,0.06);
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
      background-color: var(--deep-space-start);
      color: var(--text-light);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    .container-main {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 2rem;
      padding-right: 2rem;
    }
    @media (max-width: 768px) {
      .container-main {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
      }
    }
    /* 导航吸顶 */
    #mainNav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
    }
    .nav-scrolled {
      background: rgba(11,14,45,0.85);
      backdrop-filter: blur(20px);
      box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    }
    .nav-link {
      color: #B0B7D0;
      transition: color 0.2s;
      font-weight: 500;
      font-size: 0.95rem;
    }
    .nav-link:hover {
      color: var(--aurora-cyan);
    }
    .trend-badge {
      background: rgba(62,232,214,0.12);
      color: var(--aurora-cyan);
      border-radius: var(--radius-full);
      padding: 0.25rem 0.9rem;
      font-size: 0.75rem;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }
    /* 搜索框 */
    .search-group {
      position: relative;
    }
    .search-input {
      width: 32px;
      padding-left: 32px;
      background: rgba(255,255,255,0.08);
      border: 1px solid transparent;
      border-radius: var(--radius-full);
      color: white;
      outline: none;
      transition: width 0.3s ease, border-color 0.2s;
      cursor: pointer;
    }
    .search-input:focus, .search-group:hover .search-input {
      width: 200px;
      padding-left: 40px;
      border-color: var(--aurora-cyan);
      cursor: text;
    }
    .search-icon {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: #B0B7D0;
      pointer-events: none;
    }

    /* 按钮体系 */
    .btn-primary {
      background: linear-gradient(135deg, #E8B44F 0%, #D4943A 100%);
      color: #0B0E2D;
      border-radius: var(--radius-full);
      padding: 0.9rem 2.2rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.2s, filter 0.2s;
      border: none;
      cursor: pointer;
      letter-spacing: 0.3px;
    }
    .btn-primary:hover {
      transform: scale(1.05);
      filter: brightness(1.1);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid var(--star-gold);
      color: var(--star-gold);
      border-radius: var(--radius-full);
      padding: 0.9rem 2.2rem;
      font-weight: 600;
      transition: background 0.2s;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .btn-outline:hover {
      background: rgba(232,180,79,0.15);
    }
    .link-underline {
      color: var(--aurora-cyan);
      text-decoration: none;
      background: linear-gradient(to right, var(--aurora-cyan), var(--aurora-cyan)) no-repeat left bottom;
      background-size: 0% 1px;
      transition: background-size 0.3s ease;
      padding-bottom: 2px;
      font-weight: 500;
    }
    .link-underline:hover {
      background-size: 100% 1px;
    }

    /* 卡片系统 */
    .card-hover {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border-radius: var(--radius-2xl);
    }
    .card-hover:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 36px rgba(0,0,0,0.3);
    }
    .badge-industry {
      background: rgba(62,232,214,0.15);
      color: var(--aurora-cyan);
      border-radius: 2rem;
      padding: 0.3rem 1rem;
      font-size: 0.8rem;
      font-weight: 500;
    }
    /* 数据呼吸动画 */
    @keyframes breathe {
      0% { box-shadow: 0 0 0 0 rgba(232,180,79,0.4); }
      70% { box-shadow: 0 0 0 18px rgba(232,180,79,0); }
      100% { box-shadow: 0 0 0 0 rgba(232,180,79,0); }
    }
    .glow-breathe {
      animation: breathe 3s infinite;
      border-radius: var(--radius-xl);
    }
    .text-gradient-gold {
      background: linear-gradient(to right, #E8B44F, #F2D08C);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    /* H1 辉光 */
    .h1-glow {
      text-shadow: 0 0 20px rgba(232,180,79,0.3);
    }
    /* 星空粒子背景（简单CSS模拟） */
    .hero-stars {
      position: relative;
      overflow: hidden;
    }
    .hero-stars::before {
      content: "";
      position: absolute;
      top:0; left:0; right:0; bottom:0;
      background: radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.4), transparent),
                  radial-gradient(2px 2px at 70% 80%, rgba(255,255,255,0.5), transparent),
                  radial-gradient(1px 1px at 45% 20%, rgba(255,255,255,0.6), transparent),
                  radial-gradient(2px 2px at 80% 40%, rgba(255,255,255,0.3), transparent);
      background-size: 200px 200px;
      pointer-events: none;
    }
    /* FAQ 图标旋转 */
    .faq-icon {
      transition: transform 0.3s ease;
    }
    .faq-item[open] .faq-icon {
      transform: rotate(90deg);
    }
    details summary {
      list-style: none;
      cursor: pointer;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    .faq-panel {
      background: #FFFFFF;
      color: var(--text-dark);
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    }
    /* 移动端汉堡菜单 */
    .mobile-menu {
      display: none;
    }
    @media (max-width: 768px) {
      .desktop-nav-links {
        display: none;
      }
      .mobile-menu {
        display: flex;
      }
      .h1-responsive {
        font-size: 2.4rem !important;
      }
    }
    /* 表单样式 */
    .input-field {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: var(--radius-full);
      padding: 0.9rem 1.8rem;
      color: white;
      outline: none;
      width: 100%;
      transition: border-color 0.2s;
    }
    .input-field:focus {
      border-color: var(--aurora-cyan);
    }
    footer a {
      color: #9CA3AF;
      transition: color 0.2s;
    }
    footer a:hover {
      color: var(--aurora-cyan);
    }