body {
    margin: 0;
    padding: 0;
    background-color: #ffffff;
}

.container {
    position: relative;
    background: #ccc;
}

.container nav ul li {
    margin-right: 50px; /* 选项之间的间距 */
}

.nav-img {
    position: revert;
    top: 84px;
    left: 0;
    width: 100%;
}

nav {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color:#ccc;
    display: flex;
    justify-content: right;
    align-items: center;

    z-index: 1000;
}

nav img {
    height: 150px;
    width: auto;
    margin-right: 100px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

nav li {
    margin-right: 10px;
}

nav a {
    text-decoration: none;
    color: #4F68C9;
    font-size: 18px;
}

.list2 {
    text-align: center;
}

.list2 img {
    width: 100%;
}

footer {
    display: block;
    height: 100px;
    width: 100%;
    background-color: black;
    text-align: center;
    box-sizing: border-box;
    padding-top: 40px;
    position: revert;
    bottom: 0;
    left: 0;
}

footer a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 50px;
}

.company-box {
    padding: 100px 0 150px;
}

.company-box .title {
    font-size: 30px;
    padding: 3%;
    font-weight: 600;
    text-align: center;
}

.company-box .content {
    display: flex;
    align-items: baseline;
    justify-content: center; /* 水平居中 */
    margin-left: auto; /* 让左边距自动，以便居中 */
    margin-right: auto; /* 让右边距自动，以便居中 */
}

.company-box .content ul {
    list-style-type: none;
    padding: 0;
    margin-top: 20px;
}

.company-box .content ul li {
    background-color: #f0f0f0; /* 默认灰色背景 */
    padding: 10px;
    margin-bottom: 5px;
}

.company-box .content ul li:nth-child(odd) {
    background-color: #ffffff; /* 奇数行白色背景 */
}

.company-box .content ul li span:first-child {
    display: inline-block;
    width: 100px;
}


.company-box .content ul li span {
  margin-right: 50px;
  text-align: center;
}
.centers{
  height: 800px;
  width: 100%;
  background: #333;
  color: #fff;
}
.text{
  width: 500px;
  height: 400px;
  display: FLEX;
  align-items: ce;
}
.contai-center{
  width: 1344px;
  height: 679px;
  display: flex;
  margin: 50px auto;
  justify-content: center;
}
.left{
  width: 650px;
  height: 451px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
  padding: 50px;
}
.right{
  width: 550px;
  height: 451px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
  padding: 50px;
}
.text-primary{
  color: #015fc9;
  font-size: 30px;
}
.left p{
   color: #787878;;
}
.btn-primary{
  width: 228px;
  height: 56px;
  background: #015FC9;
  color: white;
  font-size: 20px;
  border-radius: 50px;
  display: inline-block;
  margin-top: 50px;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.right-img{
  width: 548px;
  height: 450px;
}