/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #7B2FF7;
      --primary-glow: rgba(123,47,247,0.6);
      --accent: #00F0FF;
      --accent-glow: rgba(0,240,255,0.5);
      --bg-deep: #0A0E17;
      --bg-card: rgba(20,16,30,0.7);
      --border-card: rgba(123,47,247,0.25);
      --text-main: #F0F2FF;
      --text-muted: #B0B8D0;
      --radius-xl: 16px;
      --radius-full: 9999px;
      --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
      --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-main);
      line-height: 1.6;
      margin: 0;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: radial-gradient(circle at 30% 40%, rgba(123,47,247,0.08) 0%, transparent 35%),
                        radial-gradient(circle at 70% 80%, rgba(0,240,255,0.04) 0%, transparent 40%);
      pointer-events: none;
      z-index: 0;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
      position: relative;
      z-index: 1;
    }
    /* 浮动Dock导航 */
    .nav-dock {
      position: fixed;
      top: 20px;
      left: 50%;
      transform: translateX(-50%);
      width: auto;
      max-width: 90%;
      background: rgba(10,14,23,0.8);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(123,47,247,0.3);
      border-radius: var(--radius-full);
      padding: 0.5rem 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      z-index: 50;
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
      transition: all 0.25s ease;
    }
    .nav-dock.scrolled {
      background: rgba(10,14,23,0.92);
      border-color: rgba(123,47,247,0.5);
    }
    .logo-area {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-weight: 700;
      font-size: 1.3rem;
      letter-spacing: -0.3px;
      color: white;
      text-decoration: none;
      white-space: nowrap;
    }
    .logo-icon {
      font-size: 1.8rem;
      color: var(--accent);
      filter: drop-shadow(0 0 6px var(--accent-glow));
    }
    .dock-links {
      display: flex;
      gap: 1.6rem;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .dock-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      white-space: nowrap;
    }
    .dock-links a:hover {
      color: var(--accent);
    }
    .cta-dock-btn {
      background: var(--primary);
      color: white;
      padding: 0.5rem 1.4rem;
      border-radius: var(--radius-full);
      font-weight: 600;
      font-size: 0.9rem;
      text-decoration: none;
      transition: all 0.25s;
      box-shadow: 0 0 12px var(--primary-glow);
      white-space: nowrap;
    }
    .cta-dock-btn:hover {
      background: var(--accent);
      color: #0A0E17;
      box-shadow: 0 0 20px var(--accent-glow);
    }
    /* 通用区块 */
    .section {
      padding: 110px 0;
      position: relative;
      z-index: 1;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-card);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-card);
      transition: transform 0.2s ease, border-color 0.2s, box-shadow 0.2s;
    }
    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0,240,255,0.45);
      box-shadow: 0 12px 36px rgba(123,47,247,0.25);
    }
    .btn-primary {
      background: var(--primary);
      color: white;
      font-weight: 600;
      border-radius: var(--radius-full);
      padding: 0.75rem 2rem;
      display: inline-block;
      text-align: center;
      transition: all 0.25s;
      border: none;
      cursor: pointer;
      text-decoration: none;
      box-shadow: 0 0 14px var(--primary-glow);
    }
    .btn-primary:hover {
      background: var(--accent);
      color: #0A0E17;
      box-shadow: 0 0 22px var(--accent-glow);
      transform: scale(1.02);
    }
    .btn-outline {
      background: transparent;
      border: 1px solid rgba(123,47,247,0.6);
      color: white;
      font-weight: 500;
      border-radius: var(--radius-full);
      padding: 0.55rem 1.8rem;
      transition: all 0.25s;
      text-decoration: none;
    }
    .btn-outline:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: rgba(0,240,255,0.05);
      box-shadow: 0 0 16px rgba(0,240,255,0.3);
    }
    h2 {
      font-size: 2.4rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      margin-bottom: 0.75rem;
    }
    .subtitle {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    /* 表单样式 */
    input, textarea {
      background: rgba(10,14,23,0.7);
      border: 1px solid rgba(123,47,247,0.35);
      border-radius: 12px;
      padding: 0.8rem 1rem;
      width: 100%;
      color: white;
      transition: border 0.2s;
      outline: none;
    }
    input:focus, textarea:focus {
      border-color: var(--accent);
      box-shadow: 0 0 12px rgba(0,240,255,0.3);
    }
    @media (max-width: 768px) {
      .nav-dock {
        padding: 0.4rem 1rem;
        gap: 0.8rem;
        top: 12px;
        border-radius: 40px;
      }
      .dock-links {
        gap: 0.7rem;
      }
      .dock-links a {
        font-size: 0.8rem;
      }
      .logo-area span {
        display: none;
      }
      .logo-icon {
        font-size: 1.8rem;
      }
      .section {
        padding: 70px 0;
      }
      h2 {
        font-size: 1.9rem;
      }
    }
    .masonry-grid {
      column-count: 3;
      column-gap: 1.5rem;
    }
    @media (max-width: 1024px) {
      .masonry-grid {
        column-count: 2;
      }
    }
    @media (max-width: 640px) {
      .masonry-grid {
        column-count: 1;
      }
    }
    .faq-item {
      border-left: 3px solid rgba(123,47,247,0.5);
      transition: border-color 0.3s;
      padding-left: 1.2rem;
    }
    .faq-item.active {
      border-left-color: var(--accent);
      box-shadow: 0 0 20px rgba(0,240,255,0.15);
    }