body {
    width: 1903px;
}

/* 头部 */
.header {
    width: 1903px;
    height: 761px;
    background-image: url(../images/头部背景@2x.png);
}

/* 主体内容区域 */
.content {
    margin: 96px auto;
    width: 1280px;
    height: 372px;
}

.content p {
    font-size: 40px;
    font-weight: 800;
    color: #333333;
    text-align: center;
}

.content ul {
    display: flex;
    flex-wrap: wrap;
    margin-top: 75px;
}

.content li {
    margin-bottom: 36px;
    width: 620px;
    height: 111px;
    background-color: #f5f5f5;
    border-radius: 20px;
}

.content li:nth-child(2n+1) {
    margin-right: 40px;
}

.content li img {
    vertical-align: middle;
    margin-left: 50px;
    margin-right: 20px;
    width: 58px;
    height: 52px;
}

.content li span {
    font-size: 30px;
    font-weight: normal;
    color: #333333;
    line-height: 111px;

}

/* 底部 */
.footer {
    margin: 60px auto;
    width: 1015px;
    height: 387px;
}

.footer p {
    text-align: center;
    font-size: 40px;
    font-weight: normal;
    color: #333333;
}

.footer ul {
    display: flex;
    margin-top: 87px;
}

.footer li {
    width: 491px;
    height: 78px;
}

.footer li:first-child {
    margin-right: 158px;
}

.footer li p {
    width: 491px;
    height: 78px;
    text-align: left;
    font-family: SourceHanSansCN-Medium;
    font-size: 30px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 50px;
    letter-spacing: 1px;
    color: #333333;
}

.footer li span {
    font-family: SourceHanSansCN-Medium;
    font-size: 26px;
    font-weight: normal;
    letter-spacing: 1px;
    color: #333333;
}

.bottom {
    /* margin-top: 99px; */
    margin-bottom: 92px;
    text-align: center;
    font-size: 22px;
    font-weight: normal;
    color: #333333;
}