body {
    background-color: #F2F8FF;
}

@media all and (min-width: 1280px) {

    .mobile {
        display: none;
    }

    .banner {
        padding-top: 160px;
        height: 310px;
        background-image: url("../images/banner2.png");
        background-size: 100% 100%;
    }


    .banner .background {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9;
        width: 100%;
    }

    .banner .nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 0 auto;
        width: 1560px;
    }

    .nav .lake {
        margin-right: 76px;
        line-height: 0;
    }

    .nav .lake img {
        height: 48px;
    }

    .nav .list ul {
        display: flex;
        align-items: center;
    }

    .nav .list ul li {
        position: relative;
        margin-right: 52px;
        padding: 40px 0;
        font-size: 16px;
        color: #FFFFFF;
        cursor: pointer;
    }

    .nav .list ul li:last-child {
        margin-right: 80px;
    }

    .nav .list ul .active::after {
        content: '';
        position: absolute;
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 2px;
        background-color: #FFFFFF;
    }

    .nav .list ul .active {
        font-weight: 700;
    }

    .nav .list ul li a {
        font-weight: 400;
    }

    .list li .team {
        position: absolute;
        top: 88px;
        left: 0;
        display: none;
        background-color: #122843;
        width: 200px;
    }

    .list li p a {
        display: inline-block;
        padding: 12px 22px 12px 18px;
        width: 100%;
    }

    .list li .resources {
        position: absolute;
        top: 98px;
        left: -18px;
        display: none;
        background-color: #122843;
        width: 295px;
    }

    .list li .contact {
        position: absolute;
        top: 98px;
        left: -18px;
        display: none;
        background-color: #122843;
        width: 144px;
    }

    .list li p a:hover {
        background-color: #1e90ff;
    }

    .nav .list ul li a {
        font-size: 16px;
        color: #FFFFFF;
    }

    .list .team-pull:hover .team {
        display: block;
    }

    .list .contact-pull:hover .contact {
        display: block;
    }

    .nav .twitter {
        line-height: 0;
    }

    .nav .twitter img {
        width: 30px;
    }

    .nav .logo {
        margin-left: 70px;
        line-height: 0;
    }

    .nav .logo img {
        height: 80px;
    }

    .banner .text {
        text-align: center;
    }

    .banner .text h1 {
        font-size: 60px;
        font-weight: normal;
        color: #ED6D00;
        text-shadow: 0px 0px 20px rgba(0, 0, 0, 0.69);
        letter-spacing: 10px;
    }

    .center {
        margin: 0 auto;
        width: 1200px;
        padding-bottom: 212px;
    }

    .center .picture {
        padding-top: 24px;
    }

    .center .picture .item {
        margin-top: 16px;
        width: 1200px;
        height: 382px;
        background-size: cover;
        background-image: url("../images/picture1.png");
        background-color: rgba(18, 40, 67, 0.5);
    }

    .center .picture .pic {
        width: 1200px;
        height: 382px;
        background-color: rgba(18, 40, 67, 0.5);
    }

    .center .picture .item .text {
        padding-top: 145px;
        text-align: center;
    }

    .picture .item .text h3 {
        font-size: 36px;
        font-weight: bold;
        color: #FFFFFF;
    }

    .picture .item .text p {
        margin-top: 20px;
        font-size: 24px;
        color: #FFFFFF;
    }

    .picture .item .text .btn {
        display: inline-block;
        margin-top: 46px;
        width: 80px;
        height: 32px;
        border: 1px solid #FFFFFF;
        text-align: center;
        background-color: transparent;
        line-height: 32px;
        font-size: 14px;
        color: #FFFFFF;

    }
}

@media  (max-width: 1280px){

    .pc {
        display: none;
    }

    .mobile .mp-background {
        position: relative;
        background-image: url("../images/phone/banner.png");
        height: 3.1rem;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: 25%;
    }

    .mp-nav {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 0.4rem;
        height: 0.98rem;
    }

    .mp-nav .mp-logo {
        line-height: 0;
    }

    .mp-nav .mp-logo img {
        width: 2.02rem;
    }

    .mp-nav .mp-icon .iconfont {
        font-size: 0.4rem;
        transform: rotate(180deg);
        color: #FFFFFF;
    }

    .mp-nav .mp-icon .icon-chahao {
        display: none;
    }

    .mp-background .mp-list {
        display: none;
        position: absolute;
        z-index: 9;
        top: 0.98rem;
        left: 0;
        width: 100%;
        padding-top: 0.2rem;
        padding-bottom: 1.26rem;
        background-color: #043156 ;
    }

    .mp-background .mp-list li {
        padding: 0.39rem 0;
        text-align: center;
        border-bottom: 0.02rem solid rgba(255, 255, 255, 0.1);
    }

    .mp-background .mp-list .active {
        color: #00C5FF !important;
    }

    .mp-background .mp-list .active a {
        color: #00C5FF !important;
    }

    .mp-background .mp-list li p {
        color: #FFFFFF;
        font-size: 0.28rem;
    }

    .mp-background .mp-list li p:nth-child(n+2) {
        margin-top: 0.49rem;
    }

    .mp-background .mp-list li p a {
        color: #CCCCCC;
    }

    .mp-background .mp-list .team {
        padding-top: 0.49rem;
    }

    .mp-background .mp-list li a {
        font-size: 0.28rem;
        color: #FFFFFF;
    }

    .mp-background .mp-title {
        margin-top: 0.3rem;
        font-size: 0.6rem;
        color: #ffd111;
        text-align: center;
    }

    .mp-background .mp-twitter {
        margin-top: 0.35rem;
        text-align: center;
    }

    .mp-background .mp-twitter .iconfont {
        font-size: 0.5rem;
        color: #0997dc;
    }

    .mp-substance {
        padding-top: 0.46rem;
        padding-bottom: 2.1rem;
    }

    .mp-picture .mp-item {
        margin-top: 0.16rem;
        width: 100%;
        height: 3.82rem;
        background-image: url("../images/phone/picture1.png");
        background-repeat: no-repeat;
        background-size: cover;
        color: #FFFFFF;
        text-align: center;
    }

    .mp-picture .mp-pic {
        padding-top: 0.92rem;
        width: 100%;
        height: 100%;
        background-color: rgba(18, 40, 67, 0.5);
    }

    .mp-picture .mp-item h3 {
        font-size: 0.4rem;
        font-weight: bold;
    }

    .mp-picture .mp-item p {
        margin-top: 0.4rem;
        font-size: 0.3rem;
    }

    .mp-picture .mp-item .mp-btn {
        display: inline-block;
        margin-top: 0.6rem;
        width: 1.28rem;
        height: 0.52rem;
        border: 0.01rem solid #FFFFFF;
        text-align: center;
        background-color: transparent;
        line-height: 0.52rem;
        font-size: 0.24rem;
        color: #FFFFFF;
    }



}