.section3 {
       display: block;
   }

   .section3 .indexTitle h1 {
       color: #fff;
   }

   .Box3 {
       display: block;
       position: relative;
       width: 100%;
       z-index: 2;
       background: #fff;
       padding: 60px;
       border-radius: 6px;
   }

   .desc3 {
       margin-bottom: 45px;
       font-size: 18px;
       line-height: 2;
       text-indent: 36px;
   }

   .Box3 a {
       margin: 0 auto;
       width: 180px;
       height: 40px;
       color: #fff;
       display: flex;
       align-items: center;
       justify-content: center;
       background: var(--color);
       border-radius: 5px;
   }


   @media (max-width: 720px) {
       .Box3 {
           padding: 30px;
       }

       .desc3 {
           font-size: 14px;
           line-height: 1.5;
           text-indent: 28px;
       }
   }

   @media (max-width: 460px) {}

   @media (max-width: 380px) {}