/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #0A0E27;
      --secondary: #FF4655;
      --accent: #00E5FF;
      --bg-light: #F5F6FA;
      --card-bg: #FFFFFF;
      --text-dark: #1A1A2E;
      --text-muted: #6B7280;
      --shadow-sm: 0 4px 24px rgba(10,14,39,0.08);
      --shadow-hover: 0 12px 32px rgba(10,14,39,0.15);
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-input: 12px;
      --radius-badge: 8px;
      --gradient-hero: linear-gradient(135deg, #0A0E27 0%, #1A1A3E 60%, #0D1025 100%);
      --gradient-cta: linear-gradient(135deg, #0A0E27 0%, #FF4655 100%);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    h1, h2, h3, h4 {
      font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 导航栏 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 50;
      background: rgba(10,14,39,0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,229,255,0.3);
      transition: all 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      padding: 0.75rem 1.5rem;
      max-width: 1280px;
      margin: 0 auto;
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .logo-icon {
      font-size: 2rem;
      color: var(--accent);
      filter: drop-shadow(0 0 6px rgba(0,229,255,0.6));
    }
    .logo-text {
      font-size: 1.5rem;
      font-weight: 700;
      color: white;
      letter-spacing: 1px;
    }
    .search-box {
      display: flex;
      align-items: center;
      background: white;
      border-radius: var(--radius-input);
      padding: 0.5rem 1rem;
      min-width: 280px;
      width: 40%;
      max-width: 480px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2);
      transition: all 0.25s;
      border: 2px solid transparent;
    }
    .search-box:focus-within {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(0,229,255,0.25);
    }
    .search-box i {
      color: var(--secondary);
      font-size: 1.1rem;
      margin-right: 0.5rem;
    }
    .search-box input {
      border: none;
      outline: none;
      width: 100%;
      font-size: 0.95rem;
      background: transparent;
      color: var(--text-dark);
    }
    .search-box input::placeholder {
      color: #9ca3af;
      font-weight: 400;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
      font-weight: 500;
    }
    .nav-links a {
      color: white;
      text-decoration: none;
      font-size: 0.95rem;
      position: relative;
      padding-bottom: 4px;
      transition: color 0.2s;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background: var(--accent);
      transition: width 0.25s ease;
    }
    .nav-links a:hover {
      color: var(--accent);
    }
    .nav-links a:hover::after {
      width: 100%;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: white;
      font-size: 1.8rem;
      cursor: pointer;
    }
    /* 区块间距 */
    section {
      padding: 5rem 0;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      margin-bottom: 1rem;
      color: var(--primary);
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 1.1rem;
      margin-bottom: 3rem;
    }
    /* 卡片与按钮 */
    .card-hover {
      transition: transform 0.25s ease, box-shadow 0.3s ease;
    }
    .card-hover:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .btn-primary {
      background: var(--secondary);
      color: white;
      font-weight: 600;
      padding: 0.8rem 2rem;
      border-radius: var(--radius-btn);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s;
      border: none;
      cursor: pointer;
      text-decoration: none;
      box-shadow: 0 6px 16px rgba(255,70,85,0.3);
    }
    .btn-primary:hover {
      background: #ff5a6e;
      box-shadow: 0 8px 20px rgba(255,70,85,0.5);
      transform: scale(1.02);
    }
    .btn-outline {
      border: 2px solid var(--accent);
      color: var(--accent);
      background: transparent;
      font-weight: 600;
      padding: 0.75rem 2rem;
      border-radius: var(--radius-btn);
      transition: all 0.25s;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
    }
    .btn-outline:hover {
      background: var(--accent);
      color: var(--primary);
    }
    .badge {
      background: rgba(0,229,255,0.15);
      color: var(--accent);
      font-weight: 600;
      padding: 0.4rem 1rem;
      border-radius: var(--radius-badge);
      font-size: 0.85rem;
      display: inline-block;
    }
    /* 响应式 */
    @media (max-width: 1024px) {
      .nav-links { gap: 1.2rem; }
      .search-box { min-width: 220px; width: 35%; }
    }
    @media (max-width: 768px) {
      .nav-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        gap: 1rem;
        background: rgba(10,14,39,0.98);
        padding: 1.5rem;
        border-radius: 16px;
        margin-top: 0.5rem;
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
        position: absolute;
        right: 1.5rem;
        top: 1.2rem;
      }
      .logo-area {
        justify-content: space-between;
        width: 100%;
      }
      .search-box {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        margin-top: 0.5rem;
      }
      section {
        padding: 3.5rem 0;
      }
      .hero-container {
        flex-direction: column;
      }
      .grid-cols-3 {
        grid-template-columns: 1fr;
      }
      .compare-wrapper {
        flex-direction: column;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }