.qd-boot {
        max-width: 640px;
        margin: 0 auto;
        padding: 64px 16px;
      }
      .qd-boot i {
        background: #7f7f7f29;
        border-radius: 7px;
        height: 14px;
        margin: 0 0 14px;
        animation: 1.2s ease-in-out infinite alternate qd-boot;
        display: block;
      }
      .qd-boot b {
        color: #7f7f7fbf;
        letter-spacing: 0.08em;
        margin: 0 0 24px;
        font:
          600 18px/22px system-ui,
          sans-serif;
        display: block;
      }
      .qd-boot i:nth-child(3) {
        width: 85%;
      }
      .qd-boot i:nth-child(4) {
        width: 60%;
      }
      @keyframes qd-boot {
        to {
          opacity: 0.45;
        }
      }
      @media (prefers-reduced-motion: reduce) {
        .qd-boot i {
          animation: none;
        }
      }