.need_grid_img2 {
            position: fixed;
            bottom: 0px;
            left: 0;
            right: 0;
            width: 100%;
            max-width: 752px;
            margin: 0 auto;
            overflow: hidden;
            background: #000000;
            z-index: 9999;
        }
        .need_grid_img2 a {
            color: #fff;
        }
        .need_grid_img2 img {
            display: block;
            border: 0;
        }
        .need_grid_img2 .ul {
            display: inline-block;
            width: 100%;
        }
        .need_grid_img2 ul li {
            float: left;
            padding: 5px 0;
            width: 20%;
            text-align: center;
        }
        .need_grid_img2 ul li img {
            margin: 0 auto;
            padding: 4px;
            width: 65px;
            height: 65px;
            border-radius: 15px;
        }
        @media (max-width: 768px) {
            .need_grid_img2 ul li {
                width: 20%;
            }
        }
        @media (max-width: 544px) {
            .need_grid_img2 ul li {
                width: 20%;
        }
    }
    //底部图标
.need_spin_all {
          animation-name: spin1;
          animation-duration: 10000ms;
          animation-iteration-count: infinite;
          animation-timing-function: linear;
          position: fixed;
          right: 5px;
          z-index: 2;
        }
        @keyframes spin {
          from {
            transform: rotate(0deg);
          }
          to {
            transform: rotate(360deg);
          }
        }
        .need_spin_all_close {
          width: 20px;
          height: 20px;
          position: absolute;
          top: 3px;
          right: 3px;
          border-radius: 50%;
          cursor: pointer;
        }
        .need_spin_all_img {
          border-radius: 15px;
          border: solid 2px red;
          width: 80px;
          height: 80px;
        }
        .need_spin_1{
            bottom: 56%;
        }
        .need_spin_2{
            bottom: 45%;
        }
        .need_spin_3{
            bottom: 34%;
        }
        .need_spin_4{
            bottom: 23%;
        }
        .need_spin_5{
            bottom: 12%;
        }