/* roulang page: index */
:root {
      --primary: #0A0E27;
      --accent1: #00F0FF;
      --accent2: #FF4655;
      --bg-light: #F5F6FA;
      --text-main: #1A1F36;
      --text-sub: #5A6072;
      --border-light: #E2E6EE;
      --radius-card: 12px;
      --radius-btn: 8px;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.6;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    .container-custom {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    @media (min-width: 768px) {
      .container-custom {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    /* 导航固定与模糊 */
    .nav-blur {
      background: rgba(10, 14, 39, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 240, 255, 0.3);
    }
    /* 脉冲动画 */
    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(255,70,85,0.5); }
      70% { box-shadow: 0 0 0 12px rgba(255,70,85,0); }
      100% { box-shadow: 0 0 0 0 rgba(255,70,85,0); }
    }
    .pulse-cta {
      animation: pulse-ring 2s infinite;
    }
    /* 链接下划线滑动效果 */
    .link-slide {
      background-image: linear-gradient(var(--accent1), var(--accent1));
      background-size: 0% 2px;
      background-repeat: no-repeat;
      background-position: 0% 100%;
      transition: background-size 0.3s ease;
    }
    .link-slide:hover {
      background-size: 100% 2px;
    }
    /* 卡片hover微光边框 */
    .card-hover-glow {
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .card-hover-glow:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(10,14,39,0.12), inset 0 0 0 1px var(--accent1);
    }
    /* 移动端菜单通过peer-checked控制 */
    #menu-toggle {
      display: none;
    }
    .mobile-menu {
      display: none;
    }
    #menu-toggle:checked ~ .mobile-menu {
      display: flex;
    }
    /* 自定义滚动条 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #f1f1f1;
    }
    ::-webkit-scrollbar-thumb {
      background: #c1c1c1;
      border-radius: 4px;
    }