/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    
    :root {
      --deep-space: #0A0A0F;
      --space-blue: #0B0C10;
      --nebula-purple: #1F1B2D;
      --star-gold: #F0C45A;
      --star-gold-light: #F5D06B;
      --nebula-violet: #8B5CF6;
      --silver-white: #E8ECF1;
      --lavender-gray: #A0A8C0;
      --card-bg: rgba(15, 20, 35, 0.8);
      --card-border: rgba(240, 196, 90, 0.15);
      --input-bg: #1A1D28;
      --input-border: #2A2E3C;
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
      --shadow-btn: 0 4px 12px rgba(240, 196, 90, 0.3);
      --radius-card: 16px;
      --radius-btn: 50px;
      --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Poppins', sans-serif;
      --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      --transition-smooth: all 0.3s ease;
    }
    
    * {
      box-sizing: border-box;
    }
    
    body {
      font-family: var(--font-body);
      background-color: var(--deep-space);
      color: var(--silver-white);
      line-height: 1.8;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    
    h1, h2, h3, h4, .nav-logo, .btn {
      font-family: var(--font-heading);
    }
    
    a {
      text-decoration: none;
      color: var(--lavender-gray);
      transition: var(--transition-smooth);
    }
    a:hover {
      color: var(--star-gold);
    }
    
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    
    button, input, textarea {
      font-family: var(--font-body);
    }
    
    /* 自定义容器 */
    .container-custom {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    /* 导航系统 */
    .navbar-custom {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(10, 10, 15, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(240, 196, 90, 0.1);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: var(--transition-smooth);
    }
    
    .nav-logo {
      font-size: 28px;
      font-weight: 700;
      letter-spacing: 4px;
      color: var(--star-gold);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-logo i {
      color: var(--nebula-violet);
      font-size: 24px;
    }
    
    .nav-link-custom {
      color: var(--lavender-gray);
      font-weight: 500;
      margin: 0 12px;
      padding: 6px 12px;
      border-radius: 30px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .nav-link-custom:hover,
    .nav-link-custom.active {
      color: var(--star-gold);
    }
    .nav-link-custom.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 50%;
      transform: translateX(-50%);
      width: 24px;
      height: 2px;
      background: var(--star-gold);
      border-radius: 2px;
    }
    
    /* 移动端汉堡菜单 */
    .navbar-toggler-custom {
      border: none;
      background: transparent;
      color: var(--silver-white);
      font-size: 24px;
    }
    
    .mobile-menu {
      background: rgba(10, 10, 15, 0.98);
      backdrop-filter: blur(20px);
    }
    
    /* 按钮系统 */
    .btn-primary-custom {
      background: var(--star-gold);
      color: #0B0C10;
      font-weight: 600;
      border: none;
      border-radius: var(--radius-btn);
      padding: 14px 36px;
      box-shadow: var(--shadow-btn);
      transition: var(--transition-smooth);
      letter-spacing: 1px;
    }
    .btn-primary-custom:hover {
      background: var(--star-gold-light);
      box-shadow: 0 8px 20px rgba(240, 196, 90, 0.5);
      transform: translateY(-2px);
      color: #0B0C10;
    }
    
    .btn-outline-custom {
      background: transparent;
      border: 1px solid var(--star-gold);
      color: var(--star-gold);
      font-weight: 500;
      border-radius: var(--radius-btn);
      padding: 12px 32px;
      transition: var(--transition-smooth);
    }
    .btn-outline-custom:hover {
      background: rgba(240, 196, 90, 0.1);
      color: var(--star-gold-light);
      border-color: var(--star-gold-light);
    }
    
    /* Hero 区域 */
    .hero-section {
      height: 100vh;
      min-height: 700px;
      background: linear-gradient(135deg, #0B0C10 0%, #1F1B2D 100%);
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      background-blend-mode: overlay;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: rgba(10, 10, 15, 0.55);
      backdrop-filter: blur(1px);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }
    
    /* 板块标题 */
    .section-title {
      font-size: 38px;
      font-weight: 700;
      color: var(--silver-white);
      margin-bottom: 16px;
      letter-spacing: 1px;
    }
    .section-subtitle {
      color: var(--lavender-gray);
      font-size: 18px;
      margin-bottom: 48px;
    }
    
    /* 卡片系统 */
    .card-custom {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(8px);
      transition: var(--transition-smooth);
      padding: 32px;
      height: 100%;
    }
    .card-custom:hover {
      border-color: var(--star-gold);
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(0,0,0,0.6);
    }
    
    .service-icon {
      font-size: 36px;
      color: var(--star-gold);
      margin-bottom: 20px;
    }
    
    /* 数据块 */
    .stat-number {
      font-size: 48px;
      font-weight: 700;
      color: var(--star-gold);
      font-family: 'Poppins', sans-serif;
    }
    
    /* 手风琴 */
    .accordion-custom .accordion-item {
      background: transparent;
      border: 1px solid rgba(240,196,90,0.2);
      border-radius: 12px;
      margin-bottom: 16px;
      overflow: hidden;
    }
    .accordion-custom .accordion-header button {
      background: rgba(15,20,35,0.7);
      color: var(--silver-white);
      font-weight: 600;
      box-shadow: none;
      padding: 20px 24px;
      font-size: 18px;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      background: rgba(240,196,90,0.08);
      color: var(--star-gold);
    }
    
    /* 表单 */
    .form-control-custom {
      background: var(--input-bg);
      border: 1px solid var(--input-border);
      border-radius: 8px;
      color: var(--silver-white);
      padding: 14px 16px;
    }
    .form-control-custom:focus {
      border-color: var(--star-gold);
      box-shadow: 0 0 0 3px rgba(240,196,90,0.2);
    }
    
    /* 页脚 */
    .footer-link {
      color: var(--lavender-gray);
      transition: var(--transition-smooth);
    }
    .footer-link:hover {
      color: var(--star-gold);
    }
    
    /* 响应式调整 */
    @media (max-width: 768px) {
      .hero-section h1 {
        font-size: 36px !important;
      }
      .section-title {
        font-size: 30px;
      }
      .card-custom {
        margin-bottom: 20px;
      }
      .navbar-custom {
        height: 64px;
      }
    }