/* 框架 */
     section {
         overflow: hidden;
         width: 100%;
         height: 100%;
     }

     /* 标题 */
     .indexTitle {
         display: flex;
         flex-direction: column;
         align-items: center;
     }

     .indexTitle h2 {
         font-weight: 500;
         color: #124299;
         font-size: 18px;
     }


     .indexTitle h1 {
         font-weight: bold;
         color: #212529;
         font-size: 52px;
     }

     .indexTitle span {
         display: block;
         width: 30px;
         height: 3px;
         background: #eb3d00;
     }

     @media (max-width: 1440px) {
         .indexTitle h1 {
             font-size: 48px;
         }
     }

     @media (max-width: 1200px) {
         .indexTitle h2 {
             font-size: 16px;
         }


         .indexTitle h1 {
             font-size: 38px;
         }
     }

     @media (max-width: 720px) {
         .indexTitle h2 {
             font-size: 14px;
         }


         .indexTitle h1 {
             font-size: 28px;
         }
     }