* {
    padding: 0;
    margin: 0;
}

body {
    min-width: 1300px;
    height: 5400px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    overflow-x: hidden;
    overflow-y: auto;
}

.bg {
    background: url(./16.png) no-repeat center top;
}

@media (min-width: 1900px) {
    .top {margin: 40px 0 0 441px;}
    .center {margin: 710px auto 0}
}

@media (min-width: 1400px) and (max-width: 1899px) {
    .top {margin: 40px 0 0 241px;}
    .center {margin: 710px auto 0}
}

@media (min-width: 1200px) and (max-width: 1399px) {
    .top {margin: 40px 0 0 141px;}
    .center {margin: 710px auto 0}
}

@media (max-width: 1199px) {
    .top {margin: 40px 0 0 0;}
    .center {margin: 710px 0 0}
}

.top {
    max-width: 250px;
}

.center {
    max-width: 1270px;
}

.nav {
    width: 100%;
    margin: 100px 0;
    text-align: center;
}

.title {
    display: flex;
    max-width: 1361px;
    justify-content: space-between;
    color: rgba(255, 255, 255, 1);
    font-size: 60px;
    font-weight: 700;
    margin: 0 auto;
}

.nav-cen {
    display: flex;
    justify-content: space-between;
    max-width: 1361;
    margin: 50px auto 0;
}

.nav-text {
    max-width: 572px;
    max-height: 456px;
    color: rgba(255, 250, 105, 1);
    font-size: 26px;
    font-weight: 400;
    overflow: hidden;
    margin-right: 10px;
    text-align: left;
}

.nav-img {
    width: 563px;
    height: 362px;
}

.content {
    width: 100%;
}

.content-item {
    max-width: 1065px;
    width: 100%;
    height: 349px;
    margin: 0 auto 100px;
    overflow: hidden;
}

.content-items {
    max-width: 1067px;
    width: 100%;
    height: 350px;
    margin: 0 auto 100px;
    overflow: hidden;
}

.footer  {
    max-width: 1086px;
    margin: 160px auto;
    color: #fff;
    font-size: 20px;
}

.footer-content {
    margin: 60px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
}

.foot {
    max-width: 993px;
    margin: 0 auto 30px;
    font-size: 16px;
    color: #fff;
    font-weight: 400;
}