* {
    margin: 0;
    padding: 0;
}
body {
    background: #f5f6f7;
}

.header {
    width: 100%;
    height: 100px;
    margin: auto;
    display: flex;
    align-items: center;
    background: #fff;
    position: fixed;
    z-index: 99;
}

.box {
    width: 1000px;
    margin: auto;
    display: flex;
    align-items: center;
}

.header .left  {
    width: 20%;
}

.header .left img {
    width: 150px;
}

.header .right {
    display: flex;
}

ul {
    display: flex;
}

ul li {
    list-style: none;
}

ul li a{
    text-decoration: none;
    font-size: 20px;
    color: #000;
    margin-right: 50px;
    font-weight: 800;
}

.datas {
    width: 940px;
    margin: auto;
    margin-bottom: 50px;
    background: #fff;
    padding: 30px;
}

.datas h1 {
    font-size: 40px;
    margin-bottom: 20px;
}

.datas ul li {
    font-size: 17px;
    list-style: circle;
    margin-left: 20px;
    margin-bottom: 30px;
    font-size: 18px;
    line-height: 30px;
}

.datas img {
    width: 100%;
}

.datas a {
    display: block;
    margin: auto;
    width: 130px;height: 40px;line-height: 40px;background: #000;color: #fff;text-align: center;border-radius: 20px;margin-top: 30px;
}

.datas h1 {
    text-align: center;
    height: 30px;
}

.datas p {
    text-align: center;
    font-size: 27px;
    opacity: 0.9;
    margin-top: 30px;
    margin-bottom: 20px;
}

.banner {
    width: 1000px;
    margin: auto;
}

.download-title,
.contact-title {
    text-align: center;
    height: 150px;
    line-height: 150px;
    font-size: 38px;
}

#download {
    width: 1000px;
    height: auto;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.list {
    width: 49%;
    height: 300px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    background: #fff;
}


.list .name i {
    font-size: 25px;
}

.list .name span {
    font-size: 25px;
    font-weight: 600;
}


.list a {
    margin-top: 20px;
    font-size: 18px;
}

.c-data {
    height: 300px;
    justify-content: space-between;
}

.cd-list {
    width: 49%;
    height: 300px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    background: #fff;
}

.footer {
    width: 1000px;
    height: 50px;
    line-height: 50px;
    background: #000;
    margin: 30px auto;
    color: #fff;
    text-align: center;
}