#head .banner {
     background: url("../images/2-data/banner.jpg") no-repeat;
     width: 100%;
     height: 279px;
     background-position: center 0;
     display: flex;
     justify-content: center;
     align-items: center;
 }
 
 #head .banner span {
     padding-left: 24px;
     padding-right: 20px;
     color: #fff;
     font-size: 36px;
     letter-spacing: 3px;
 }
 #content{
    display:block;
}
 #content {
     width: 100%;
     background: #f2f2f2;
 }
 
 #content .items li {
     padding: 92px 0;
 }
 
 #content .items .words {
     width: 54%;
 }
 
 #content .items .words .words-title {
     display: flex;
 }
 
 #content .items .words .words-title-right {
     padding-left: 10px;
 }
 
 #content .items .words>p {
     line-height: 30px;
     padding: 28px 0 46px 0;
     text-indent: 2em;
 }
 
 #content .items li:nth-child(even) {
     background: #f2f2f2;
 }
 
 #content .items li:nth-child(odd) {
     background: #fff;
 }
 
 #content .items li:nth-child(even) .words {
     float: right
 }
 
 #content .items li:nth-child(odd) .words {
     float: left;
 }
 
 #content .items li:nth-child(odd) .images img {
     float: right;
 }
 
 #content .items li h1 {
     float: left;
     padding-right: 18px;
     line-height: 62px;
     font-size: 70px;
     color: #f96f29;
 }
 
 #content .items li h2 {
     line-height: 40px;
     font-size: 30px;
     color: #444;
     font-weight: 500;
 }
 
 #content .items .words .words-title p {
     /*color: #4c6074;*/
     color: #0382fe;
 }
 
 #content .items .product-btn {
     padding: 10px 26px;
     border: 1px solid #0382fe;
     outline: none;
     background: none;
     font-size: 16px;
     color: #0382fe;
     cursor: pointer;
     transition: all 0.2s ease-in-out;
 }
 
 #content .items .product-btn:hover {
     color: #fff;
     background: #0382fe;
 }