header {
    border-bottom: 1px solid rgba(255, 255, 255, .3);
}

/*标题栏文字颜色*/
.navbar-default .navbar-nav > li > a {
    color: #fff;
}

/*标题栏文字文字伪标签过渡样式*/
.navbar-default .navbar-nav > li > a:focus, .navbar-default .navbar-nav > li > a {
    transition: color .3s ease;
}

/*标题栏文字文字伪标签*/
.navbar-default .navbar-nav > li > a:focus, .navbar-default .navbar-nav > li > a:hover {
    color: #fff;
    background-color: transparent;
    border-bottom: 1px solid #fff;
}

/*标题栏文字文字伪标签激活样式*/
.navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:focus, .navbar-default .navbar-nav > .active > a:hover {
    color: #fff;
    background-color: transparent;
    border-bottom: 1px solid #fff;
}

/*标题栏下拉框背景颜色*/
.navbar-default .navbar-nav > .open > a, .navbar-default .navbar-nav > .open > a:focus, .navbar-default .navbar-nav > .open > a:hover {
    color: #fff;
    background-color: transparent;
}

.navbar {
    min-height: 90px !important;
    padding: 20px 0 0 0 !important;
    margin-bottom: 0;
}

.nav > li > a {
    position: relative;
    display: block;
    padding: 10px 15px;
}

@media screen and (min-width: 768px) {
    .navbar-nav > li > a {
        padding-top: 15px;
        padding-bottom: 35px;
    }
}

/*手机端下拉菜单样式*/
@media screen and (max-width: 767px) {
    .navbar-default .navbar-nav .open .dropdown-menu > li > a {
        color: #fff;
    }

    .navbar-default .navbar-collapse, .navbar-default .navbar-form {
        border-color: #e7e7e7;
        background-color: rgba(0, 0, 0, .3);
    }
}

.navbar-default {
    background-color: rgba(0, 0, 0, 0);
    border-color: rgba(255, 255, 255, .3);
    transition: all .3s ease;
}

@media screen and (min-width: 992px) {
    .navbar-default:hover {
        background-color: rgba(0, 0, 0, .3);
    }
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.dropdown-menu {
    min-width: 50px;
    background-color: rgba(0, 0, 0, .5);
    opacity: 1;
}

.dropdown-menu > li > a {
    display: block;
    padding: 15px 20px;
    clear: both;
    font-weight: 400;
    line-height: 1.42857143;
    color: #666;
    white-space: nowrap;
}

.dropdown-menu > li > a:focus, .dropdown-menu > li > a:hover {
    color: #fff;
    text-decoration: none;
    background-color: #666;
}

.carousel-indicators li {
    display: inline-block;
    width: 30px;
    height: 6px;
    margin: 1px;
    text-indent: -999px;
    cursor: pointer;
    background-color: #000 \9;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid #fff;
    border-radius: 0;
}

.carousel-indicators .active {
    width: 30px;
    height: 6px;
    margin: 1px;
    background-color: #fff;
}

.carousel-control:focus, .carousel-control:hover {
    color: #fff;
    text-decoration: none;
    filter: alpha(opacity=90);
    outline: 0;
}

.imgPlay {
    position: relative;
}

.imgPlay div {
    position: absolute;
    left: 15%;
    top: 45%;
    color: #fff;
}

@media screen and (max-width: 768px) {
    .imgPlay {
        position: relative;
    }

    .imgPlay div {
        position: absolute;
        left: 5%;
        top: 35%;
        color: #fff;
    }

    .navbar {
        min-height: 0;
        padding: 0;
        margin-bottom: 0;
    }

    .navbar-default {
        background-color: rgba(255, 255, 255, 1);
    }

    .logo_3, .logo_4 {
        width: 35%;
    }
}