.nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 90px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

    .nav.fixed {
        position: fixed;
        height: 70px;
        top: 0;
        left: 0;
        background: rgba(255, 255, 255, 1);
    }

    .nav a.item {
        color: #ccc !important;
        font-family: "microsoft yahei" !important;
    }

        .nav a.item:hover {
            color: #01AAED !important;
        }

        .nav a.item:visited {
            color: #ccc !important;
        }

    .nav a.active {
        color: #01AAED !important;
    }

        .nav a.active:hover {
            color: #01AAED !important;
        }

        .nav a.active:visited {
            color: #01AAED !important;
        }

.sidebar .item {
    text-align: center !important;
}

.at {
    margin-right: 0 !important;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #333;
    z-index: 5;
}

    .footer .links {
        width: 80%;
        margin: 0 auto;
        color: #fff;
    }

    .footer .footinfo {
        width: 80%;
        margin: 0 auto;
        color: #fff;
    }

@media screen and (max-width: 500px) {
    .footer .footinfo {
        width: 100%;
        color: #fff;
    }

    .ui.segment.seg,
    .ui.segments .segment.seg {
        background: rgba(0, 0, 0, 0.5) !important;
        font-size: 12px !important;
    }

    .main, .main2 {
        width: 100% !important;
    }
}

.mainwarp {
    width: 100%;
    background: url(../img/bg1.jpg) repeat-y;
    background-size: cover;
    background-position: top center;
    background-attachment: fixed;
    padding-top: 2em;
    min-height: 40vh;
}

.main {
    width: 80%;
    height: auto;
    margin: 0 auto;
}

.main2 {
    width: 60vw;
    height: auto;
    margin: 0 auto;
}

.w01 {
    color: #fff;
    font-size: 2em;
    text-align: center;
}

.w02 {
    color: #01AAED;
    font-size: 4em;
    text-align: center;
    border-bottom: 2px solid #01AAED;
}

.w03 {
    color: #ccc;
    font-size: 1.1em;
    text-align: center;
    margin-top: 1em;
}

.swiper-container {
    width: 100%;
    height: 50vh;
    min-height: 300px;
    z-index: 0;
}

    .swiper-container .swiper-slide {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .swiper-container .bg1 {
        background: url(../img/bigbanner.jpg) center center no-repeat;
        background-size: cover;
    }

    .swiper-container .bg2 {
        background: url(../img/bigbanner1.jpg) center center no-repeat;
        background-size: cover;
    }

    .swiper-container .bg3 {
        background: url(../img/bigbanner2.jpg) center center no-repeat;
        background-size: cover;
    }

.ui.segment.seg,
.ui.segments .segment.seg {
    background: rgba(0, 0, 0, 0.5) !important;
    font-size: 18px;
}

.line1 {
    margin-top: 0.5em;
    margin-bottom: 2em;
}

.teal.dimmer.active,
.teal.dimmer {
    background-color: rgba(0, 181, 173, 1) !important;
}

    .teal.dimmer .center .header {
        color: #fff !important;
    }

.dimmer {
    z-index: 1 !important;
}

.teal.header {
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    line-height: 150% !important;
}