@charset "UTF-8";
/*解决浏览器不兼容Html5的问题*/
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block
}

html {
    overflow-x: hidden;
}

header {
    /*禁止因为浏览器窗口过下，自动调整字体*/
    -webkit-text-size-adjust: none;
    overflow-x: hidden;
}

#header {
    background-color: #262626;
    margin: 0;
}

#header .btn {
    position: relative;
    color: white;
    transition: background-color .3s;
}

#header .btn:hover {
    background-color: #2f86be;
}

.navbar {
    border-top: none;
    border-bottom: none;
    margin-bottom: 0;
    margin-right: -15px;
    margin-left: -15px;
    background-color: white;
}

@media screen and (max-width: 767px) {
    .h1 {
        font-size: 3em;
    }

    .h3 {
        font-size: 2.5em;
    }

    .container-fluid > .row:first-child {
        border-bottom: 1px solid #ccc;
    }

    .navbar {
        border: none;
    }

    .navbar-collapse {
        padding: 0;
    }

    .navbar-collapse .navbar-nav {
        width: 100%;
        margin: 0;
    }

    .navbar-collapse .navbar-nav > li {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > li > a {
        width: 100%;
        color: #262626;
        font-size: 1.1em;
        text-align: center;
    }

    .navbar-collapse .navbar-nav > .active > a {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > .active > a:hover {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > li > a:hover {
        background-color: #262626;
        color: white;
    }

    /*下拉菜单样式*/
    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a {
        width: 100%;

    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a:hover {
        background-color: #262626;
        color: white;
    }

    .condition-fluid .background-img {
        margin-bottom: 5em;
    }

    small {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2em;
    }

    #top-img {
        background-image: url("../../img/bg.png");
    }

    .jumbotron *, .jumbotron h1 {
        color: white;
    }

}

@media screen and (min-width: 768px) and (max-width: 991px) {
    .h1 {
        font-size: 4em;
    }

    .h3 {
        font-size: 2.5em;
    }

    .container-fluid > .row:first-child {
        border-bottom: 1px solid #ccc;
    }

    .navbar {
        border: none;
    }

    .navbar-collapse .navbar-nav {
        width: 80%;
    }

    .navbar-collapse .navbar-nav > li {
        width: 20%;
    }

    .navbar-collapse .navbar-nav > li > a {
        width: 100%;
        color: #262626;
        font-size: 1.1em;
        text-align: center;
    }

    .navbar-collapse .navbar-nav > .active > a {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > .active > a:hover {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > li > a:hover {
        background-color: #262626;
        color: white;
    }

    /*下拉菜单样式*/
    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a {
        width: 100%;

    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a:hover {
        background-color: #262626;
        color: white;
    }

    .condition-fluid .background-img {
        margin-bottom: 5em;
    }

    small {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2em;
    }

    #top-img {
        background-image: url("../../img/bg.png");
    }

    .jumbotron *, .jumbotron h1 {
        color: white;
    }
}

@media screen and (min-width: 992px) and (max-width: 1199px) {
    .h1 {
        font-size: 4em;
    }

    .h3 {
        font-size: 2.5em;
    }

    .container-fluid > .row:first-child {
        border-bottom: 1px solid #ccc;
    }

    .navbar {
        border: none;
    }

    .navbar-collapse .navbar-nav {
        width: 60%;
    }

    .navbar-collapse .navbar-nav > li {
        width: 20%;
    }

    .navbar-collapse .navbar-nav > li > a {
        width: 100%;
        color: #262626;
        font-size: 1.1em;
        text-align: center;
    }

    .navbar-collapse .navbar-nav > .active > a {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > .active > a:hover {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > li > a:hover {
        background-color: #262626;
        color: white;
    }

    /*下拉菜单样式*/
    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a {
        width: 100%;

    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a:hover {
        background-color: #262626;
        color: white;
    }

    .condition-fluid .background-img {
        margin-bottom: 5em;
    }

    small {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2em;
    }

    #top-img {
        background-image: url("../../img/bg.png");
    }

    .jumbotron *, .jumbotron h1 {
        color: white;
    }
}

/*!* 大屏幕（大桌面显示器，大于等于 1200px） *!*/
@media (min-width: 1200px) {
    .h1 {
        font-size: 4em;
    }

    .h3 {
        font-size: 2.5em;
    }

    .container-fluid > .row:first-child {
        border-bottom: 1px solid #ccc;
    }

    .navbar {
        height: 100%;
        margin: 0;
        border: none;
    }

    .navbar-collapse .navbar-nav {
        width: 60%;
    }

    .navbar-collapse .navbar-nav > li {
        width: 20%;
    }

    .navbar-collapse .navbar-nav > li > a {
        width: 100%;
        color: #262626;
        font-size: 1.1em;
        text-align: center;
    }

    .navbar-collapse .navbar-nav > .active > a {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > .active > a:hover {
        background-color: #262626;
        color: white;
    }

    .navbar-collapse .navbar-nav > li > a:hover {
        background-color: #262626;
        color: white;
    }

    /*下拉菜单样式*/
    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li {
        width: 100%;
    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a {
        width: 100%;

    }

    .navbar-collapse .navbar-nav > .dropdown > .dropdown-menu > li > a:hover {
        background-color: #262626;
        color: white;
    }

    .condition-fluid .background-img {
        margin-bottom: 5em;
    }

    small {
        display: block;
        width: 100%;
        text-align: center;
        font-size: 1.2em;
    }

    #top-img {
        padding-top: 15em;
        padding-bottom: 15em;
        background-image: url("../../img/bg.png");
    }

    .jumbotron *, .jumbotron h1 {
        color: white;
    }
}