.container {
    width: 1170px;
    margin: 0 auto;
    overflow: hidden;
}

.nav {
    border-bottom: 1px solid #f9f9f9;
    background: #fff;
}

.nav ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav ul li {
    height: 80px;
    line-height: 80px;
    white-space: nowrap;
    position: relative;
}

.nav ul li a {
    font-weight: bold;
    font-size: 18px;
    color: #666666;
    display: block;
}

.nav ul li.active a {
    color: #005E9A;
}

.nav ul li.active a::after {
    content: '';
    width: 100%;
    height: 2px;
    background: #005E9A;
    position: absolute;
    bottom: 0;
    left: 0;
}



.item {
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.item h2 {
    font-weight: bold;
    font-size: 24px;
    color: #333333;
    margin-bottom: 40px;
}

.item h2::before {
    content: '';
    width: 16px;
    height: 16px;
    display: inline-block;
    box-shadow: 0px 1px 3px 0px rgba(3, 81, 131, 0.66);
    border: 2px solid #005E9A;
    margin-right: 12px;
}

.item01,
.item02 {
    padding: 50px 0px;
    box-sizing: border-box;
}



.item01 {
    background: #f9f9f9;
}

.item01 .container{
    display:flex;
    gap:35px;
}
.item01 .side{
    display:flex;
    flex-direction: column;
    justify-content: center;
}

.item01 p {
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    line-height: 42px;
}
.item01 p::before {
    content: '';
    width: 16px;
    height: 16px;
    display: inline-block;
    box-shadow: 0px 1px 3px 0px rgba(3, 81, 131, 0.66);
    border: 2px solid #005E9A;
    margin-right: 12px;
    position: relative;
    top:2px;
}




.item02 h3{
    font-weight: bold;
font-size: 24px;
color: #005E9A;
margin-bottom:20px;
}
.item02 ul{
    margin-bottom:30px;
    overflow: hidden;
}
.item02 ul li{
    font-weight: 400;
font-size: 18px;
color: #333333;
line-height: 36px;
float:left;
width:558px;
}
.item02 ul li:nth-child(2n){
    float:right;
}