body {
    margin: 0;
}

.main {
    background-color: #101119;
    height: 100%;
    color: #FFF;
    padding-bottom: 240px;
}

.main-bg {
    position: absolute;
    top: 0px;
    left: 50%;
    transform: translate(-50%, 0);
}

.content {
    width: 1120px;
    margin: 0 auto;
    padding-top: 100px;
}

.content-top {
    width: 1120px;
    height: 400px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 4px;
    backdrop-filter: blur(10px);
}

.content-top-left {
    width: 560px;
    height: 400px;
    float: left;
}

.content-top-left img {
    width: 100%;
    height: 100%;
}

.content-top-right {
    float: left;
    padding-top: 30px;
    padding-left: 30px;
}

.content-top-right-fr {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 10px;
}

.content-top-right-fr * {
    vertical-align: middle;
}

.content-top-right-p {
    font-size: 18px;
    line-height: 45px;
}

.content-top-right-btn {
    margin-top: 20px;
}

.content-sec {
    width: 1120px;
    height: 260px;
    margin-top: 150px;
}

.content-sec-left {
    float: left;
    width: 560px;
}

.content-sec-left-title {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 20px;
}

.content-sec-left-p {
    font-size: 18px;
    color: #9FA0A3;
    line-height: 40px;
}

.content-sec-right {
    float: right;
}

.content-sec-right img {
    width: 460px;
    height: 260px;
}

.content-three {
    margin-top: 100px;
}

.content-three-title {
    font-size: 34px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
}

.content-three-ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.content-three-li {
    box-sizing: border-box;
    display: inline-block;
    width: 545px;
    height: 140px;
    background: #1C1D25;
    border-radius: 4px;
    margin-bottom: 30px;
    padding: 30px;
    position: relative;
}

.content-three-left {
    width: 80px;
    height: 80px;
    float: left;
    margin-right: 20px;
}


.content-three-left img {
    width: 80px;
    height: 80px;
}

.content-three-center {
    float: left;
}

.content-three-center-t {
    font-size: 18px;
    margin-bottom: 10px;
}

.content-three-center-p {
    color: #9FA0A3;
    font-size: 12px;
    margin-bottom: 10px;
}

.content-three-right {
    position: absolute;
    right: 30px;
    top: 50%;
    margin-top: -20px;
}

.content-three-right-btn {
    color: #C83131;
    display: inline-block;
    text-align: center;
    width: 110px;
    height: 40px;
    line-height: 40px;
    background: rgba(200, 49, 49, 0.1);
    border-radius: 4px;
    border: 1px solid #C83131;
    cursor: pointer;
    text-decoration: none;
}

.btn {
    line-height: 56px;
    font-size: 20px;
    text-align: center;
    display: inline-block;
    width: 260px;
    height: 60px;
    background: #C83131;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    color: #FFF !important;
    text-decoration: none;
}

.btn * {
    vertical-align: middle;
}

.content-three-right-btn:hover,
.btn:hover {
    filter: brightness(1.3);
}

.content-bottom {
    position: fixed;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 140px;
    background-color: pink;
    background: #101119 url(./assets/foot.png);
    background-position: 50% 50%;
}

.content-bottom-btn {
    width: 1120px;
    margin: 0px auto;
    /* position: absolute;
    top: 0px;
    right: 50%;
    margin-right: -500px; */
}

.content-bottom-btn .btn {
    float: right;
    margin-top: 40px;
}

.foot {
    height: 220px;
    text-align: center;
    background-color: #101119;
    color: #8e8e8e;
    font-size: 16px;
    line-height: 35px;
}

.foot a {
    color: #8e8e8e;
    text-decoration: none;
}